Hướng dẫn python binary search practice - thực hành tìm kiếm nhị phân python

Cập nhật lần cuối vào ngày 19 tháng 8 năm 2022 21:51:43 (UTC/GMT +8 giờ)

Tìm kiếm và sắp xếp Python: Bài tập-1 với giải pháp

Viết một chương trình Python cho tìm kiếm nhị phân. Tìm kiếm nhị phân: Trong khoa học máy tính, một tìm kiếm nhị phân hoặc thuật toán tìm kiếm nửa giữa các lần tìm thấy vị trí của giá trị đích trong một mảng được sắp xếp. Thuật toán tìm kiếm nhị phân có thể được phân loại là thuật toán tìm kiếm phân chia và chinh phục phân chia và thực thi trong thời gian logarit.
Binary Search : In computer science, a binary search or half-interval search algorithm finds the position of a target value within a sorted array. The binary search algorithm can be classified as a dichotomies divide-and-conquer search algorithm and executes in logarithmic time.

Ví dụ từng bước:

Hướng dẫn python binary search practice - thực hành tìm kiếm nhị phân python


Hướng dẫn python binary search practice - thực hành tìm kiếm nhị phân python


Hướng dẫn python binary search practice - thực hành tìm kiếm nhị phân python

Hướng dẫn python binary search practice - thực hành tìm kiếm nhị phân python

Giải pháp mẫu::

Mã Python:

def binary_search(item_list,item):
	first = 0
	last = len(item_list)-1
	found = False
	while( first<=last and not found):
		mid = (first + last)//2
		if item_list[mid] == item :
			found = True
		else:
			if item < item_list[mid]:
				last = mid - 1
			else:
				first = mid + 1	
	return found
	
print(binary_search([1,2,3,5,8], 6))
print(binary_search([1,2,3,5,8], 5))

Đầu ra mẫu:

False                                                                                                         
True

Sơ đồ:

Hướng dẫn python binary search practice - thực hành tìm kiếm nhị phân python

Trực quan hóa thực thi mã Python:

Công cụ sau đây trực quan hóa những gì máy tính đang làm từng bước khi nó thực hiện chương trình đã nói:

Trình chỉnh sửa mã Python:

Đóng góp mã và nhận xét của bạn thông qua Disqus.

Trước đây: Nhà tập thể dục tìm kiếm và sắp xếp Python. Python Search and Sorting Exercise Homes.
Next: Write a Python program for sequential search.

Python: Lời khuyên trong ngày

Xoay có thể xoay được bởi K Yếu tố:

>>> x = [1, 2, 3, 4]
>>> k = 2
>>> x[-2:] + x[:-2]
[3, 4, 1, 2]

Tôi tương đối mới với Python (3.3) và tôi chỉ đang cố gắng thực hiện tìm kiếm nhị phân thông qua danh sách các từ và không thể tìm ra cách khắc phục các loại toán hạng của mình khi nói đến việc lặp lại các chỉ số ... tôi Tiếp tục có được kiểu mẫu. Không thể tìm ra bất kỳ cách nào xung quanh nó

Nội phân chính

  • Tôi có thể sử dụng tìm kiếm nhị phân trên chuỗi không?
  • Làm thế nào để bạn viết một tìm kiếm nhị phân trong Python?
  • Có tìm kiếm nhị phân trong Python không?
  • Tìm kiếm nhị phân trong Python với ví dụ là gì?

def find(L, target):
    start = 0
    end = len(L) - 1

    while start <= end: 
        middle = (start + end)// 2 
        midpoint = L[middle]
        if midpoint > target:
            end = midpoint - 1
        elif midpoint < target:
            start = midpoint + 1
        else:
            return midpoint

Tìm kiếm nhị phân là một thuật toán tìm kiếm được sử dụng để tìm kiếm một phần tử từ một mảng được sắp xếp. Nó không thể được sử dụng để tìm kiếm từ một mảng chưa được phân loại. Tìm kiếm nhị phân là một thuật toán hiệu quả và tốt hơn so với tìm kiếm tuyến tính về độ phức tạp về thời gian. Độ phức tạp thời gian của tìm kiếm tuyến tính là O (N).

Tôi tương đối mới với Python (3.3) và tôi chỉ đang cố gắng thực hiện tìm kiếm nhị phân thông qua danh sách các từ và không thể tìm ra cách khắc phục các loại toán hạng của mình khi nói đến việc lặp lại các chỉ số ... tôi Tiếp tục có được kiểu mẫu. Không thể tìm ra bất kỳ cách nào xung quanh nó

Nội phân chính

Tôi đang gọi chức năng như vậy:

L = ["Brian", "Meg", "Peter", "Joe", "Stewie", "Lois"]]5 gold badges74 silver badges106 bronze badges

Tìm (L, "Joe")Dec 17, 2015 at 5:28

7

Tdelaneyinput and the bug with incrementing and decrementing midpoint instead of middle.

def find(L, target):
    start = 0
    end = len(L) - 1

    while start <= end:
        middle = (start + end)/ 2
        midpoint = L[middle]
        if midpoint > target:
            end = middle - 1
        elif midpoint < target:
            start = middle + 1
        else:
            return midpoint

L = ["Brian", "Joe", "Lois", "Meg", "Peter", "Stewie"] # Needs to be sorted.

print find(L, "Peter")

66.1k5 Huy hiệu vàng74 Huy hiệu bạc106 Huy hiệu đồng

Hỏi ngày 17 tháng 12 năm 2015 lúc 5:2827 gold badges121 silver badges137 bronze badges

Logic của bạn có vẻ tốt, ngoại trừ đầu vào và lỗi với điểm giữa tăng và giảm thay vì giữa.Dec 17, 2015 at 5:40

Bhargav Raojianweichuah

47.3K27 Huy hiệu vàng121 Huy hiệu bạc137 Huy hiệu đồng1 gold badge8 silver badges22 bronze badges

2

def find(L, target):
    start = 0
    end = len(L) - 1
    while start <= end:
        middle = (start + end)// 2
        midpoint = L[middle]
        if midpoint > target:
            end = middle - 1
        elif midpoint < target:
            start = middle + 1
        else:
            return midpoint

    L = ["Brian", "Joe", "Lois", "Meg", "Peter", "Stewie"]
    L = sorted(L)
    print(find(L, "Lois"))

Đã trả lời ngày 17 tháng 12 năm 2015 lúc 5:40

Jianweichuahjianweichuahbinary search, sort the list first

1.3971 Huy hiệu vàng8 Huy hiệu bạc22 Huy hiệu đồng

Như người khác chỉ ra, hãy sử dụng giữa thay vì điểm giữa3 gold badges36 silver badges51 bronze badges

Và để sử dụng tối ưu tìm kiếm nhị phân, hãy sắp xếp danh sách trướcDec 17, 2015 at 5:44

Vivek SablePrashant Yadav

9.5063 huy hiệu vàng36 Huy hiệu bạc51 Huy hiệu đồng1 gold badge10 silver badges25 bronze badges

1

def binarySearchOnString(arr, x):
        l = 0
        r = len(arr) - 1
        while (l <= r): 
            m = (l + r) // 2 
            if (arr[m] == x): 
                return m
            elif (arr[m] < x): 
                l = m + 1
            else: 
                r = m - 1
        return -1  #   If element is not found  then it will return -1
    
            

Đã trả lời ngày 17 tháng 12 năm 2015 lúc 5:44Oct 8, 2020 at 5:50

Prashant Yadavprashant YadavSunny

Huy hiệu vàng 501111 silver badges14 bronze badges

Đã trả lời ngày 8 tháng 10 năm 2020 lúc 5:50

Sunnysunny

1.04711 Huy hiệu bạc14 Huy hiệu đồng

  • Xem thảo luận
  • Cải thiện bài viết
  • Đã trả lời ngày 8 tháng 10 năm 2020 lúc 5:50

    Sunnysunny

    1.04711 Huy hiệu bạc14 Huy hiệu đồng

    Xem thảo luận

    Examples:

    Input :  arr[] = {"contribute", "geeks", "ide", "practice"}, x = "ide"
    Output :  2
    The String x is present at index 2.
    
    Input :  arr[] = {"contribute", "geeks", "ide", "practice"}, x = "zz"
    Output :  -1
    The String "zz" is not present. 

    Cải thiện bài viết
    The idea is to compare x with the middle string in the given array. If it matches, then returns mid, else if it is smaller than mid, then search in the left half, else search in the right half. 

    Implementation:

    C++

    #include

    Lưu bài viết

    Đọc

    False                                                                                                         
    True
    
    3
    False                                                                                                         
    True
    
    9

    Bàn luận

    Cho một mảng chuỗi được sắp xếp và chuỗi X, hãy tìm một chỉ mục X nếu nó có trong mảng.

    Điều kiện tiên quyết: Tìm kiếm nhị phân, so sánh chuỗi trong ý tưởng Javedit là so sánh X với chuỗi giữa trong mảng đã cho. Nếu nó phù hợp, sau đó trả về giữa, nếu không nếu nó nhỏ hơn giữa, sau đó tìm kiếm ở nửa trái, khác tìm kiếm ở nửa bên phải. & NBSP;

    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    0
    False                                                                                                         
    True
    
    9

    False                                                                                                         
    True
    
    0
    False                                                                                                         
    True
    
    1
    False                                                                                                         
    True
    
    2

    False                                                                                                         
    True
    
    3
    False                                                                                                         
    True
    
    4
    False                                                                                                         
    True
    
    5
    False                                                                                                         
    True
    
    4
    False                                                                                                         
    True
    
    7

    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    0
    False                                                                                                         
    True
    
    4
    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    2

    def find(L, target):
        start = 0
        end = len(L) - 1
    
        while start <= end: 
            middle = (start + end)// 2 
            midpoint = L[middle]
            if midpoint > target:
                end = midpoint - 1
            elif midpoint < target:
                start = midpoint + 1
            else:
                return midpoint
    
    1
    def find(L, target):
        start = 0
        end = len(L) - 1
    
        while start <= end:
            middle = (start + end)/ 2
            midpoint = L[middle]
            if midpoint > target:
                end = middle - 1
            elif midpoint < target:
                start = middle + 1
            else:
                return midpoint
    
    L = ["Brian", "Joe", "Lois", "Meg", "Peter", "Stewie"] # Needs to be sorted.
    
    print find(L, "Peter")
    
    1

    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    0
    False                                                                                                         
    True
    
    4
    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    5

    def find(L, target):
        start = 0
        end = len(L) - 1
    
        while start <= end:
            middle = (start + end)/ 2
            midpoint = L[middle]
            if midpoint > target:
                end = middle - 1
            elif midpoint < target:
                start = middle + 1
            else:
                return midpoint
    
    L = ["Brian", "Joe", "Lois", "Meg", "Peter", "Stewie"] # Needs to be sorted.
    
    print find(L, "Peter")
    
    5
    def find(L, target):
        start = 0
        end = len(L) - 1
    
        while start <= end:
            middle = (start + end)/ 2
            midpoint = L[middle]
            if midpoint > target:
                end = middle - 1
            elif midpoint < target:
                start = middle + 1
            else:
                return midpoint
    
    L = ["Brian", "Joe", "Lois", "Meg", "Peter", "Stewie"] # Needs to be sorted.
    
    print find(L, "Peter")
    
    6
    def find(L, target):
        start = 0
        end = len(L) - 1
    
        while start <= end:
            middle = (start + end)/ 2
            midpoint = L[middle]
            if midpoint > target:
                end = middle - 1
            elif midpoint < target:
                start = middle + 1
            else:
                return midpoint
    
    L = ["Brian", "Joe", "Lois", "Meg", "Peter", "Stewie"] # Needs to be sorted.
    
    print find(L, "Peter")
    
    7

    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    0
    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    7
    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    8

    def find(L, target):
        start = 0
        end = len(L) - 1
    
        while start <= end:
            middle = (start + end)/ 2
            midpoint = L[middle]
            if midpoint > target:
                end = middle - 1
            elif midpoint < target:
                start = middle + 1
            else:
                return midpoint
    
    L = ["Brian", "Joe", "Lois", "Meg", "Peter", "Stewie"] # Needs to be sorted.
    
    print find(L, "Peter")
    
    5
    def find(L, target):
        start = 0
        end = len(L) - 1
        while start <= end:
            middle = (start + end)// 2
            midpoint = L[middle]
            if midpoint > target:
                end = middle - 1
            elif midpoint < target:
                start = middle + 1
            else:
                return midpoint
    
        L = ["Brian", "Joe", "Lois", "Meg", "Peter", "Stewie"]
        L = sorted(L)
        print(find(L, "Lois"))
    
    2

    def find(L, target):
        start = 0
        end = len(L) - 1
    
        while start <= end: 
            middle = (start + end)// 2 
            midpoint = L[middle]
            if midpoint > target:
                end = midpoint - 1
            elif midpoint < target:
                start = midpoint + 1
            else:
                return midpoint
    
    1
    def find(L, target):
        start = 0
        end = len(L) - 1
        while start <= end:
            middle = (start + end)// 2
            midpoint = L[middle]
            if midpoint > target:
                end = middle - 1
            elif midpoint < target:
                start = middle + 1
            else:
                return midpoint
    
        L = ["Brian", "Joe", "Lois", "Meg", "Peter", "Stewie"]
        L = sorted(L)
        print(find(L, "Lois"))
    
    4

    def find(L, target):
        start = 0
        end = len(L) - 1
    
        while start <= end:
            middle = (start + end)/ 2
            midpoint = L[middle]
            if midpoint > target:
                end = middle - 1
            elif midpoint < target:
                start = middle + 1
            else:
                return midpoint
    
    L = ["Brian", "Joe", "Lois", "Meg", "Peter", "Stewie"] # Needs to be sorted.
    
    print find(L, "Peter")
    
    5
    def find(L, target):
        start = 0
        end = len(L) - 1
        while start <= end:
            middle = (start + end)// 2
            midpoint = L[middle]
            if midpoint > target:
                end = middle - 1
            elif midpoint < target:
                start = middle + 1
            else:
                return midpoint
    
        L = ["Brian", "Joe", "Lois", "Meg", "Peter", "Stewie"]
        L = sorted(L)
        print(find(L, "Lois"))
    
    6

    def find(L, target):
        start = 0
        end = len(L) - 1
    
        while start <= end: 
            middle = (start + end)// 2 
            midpoint = L[middle]
            if midpoint > target:
                end = midpoint - 1
            elif midpoint < target:
                start = midpoint + 1
            else:
                return midpoint
    
    1
    False                                                                                                         
    True
    
    4
    def find(L, target):
        start = 0
        end = len(L) - 1
    
        while start <= end: 
            middle = (start + end)// 2 
            midpoint = L[middle]
            if midpoint > target:
                end = midpoint - 1
            elif midpoint < target:
                start = midpoint + 1
            else:
                return midpoint
    
    3

    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    0
    def find(L, target):
        start = 0
        end = len(L) - 1
    
        while start <= end:
            middle = (start + end)/ 2
            midpoint = L[middle]
            if midpoint > target:
                end = middle - 1
            elif midpoint < target:
                start = middle + 1
            else:
                return midpoint
    
    L = ["Brian", "Joe", "Lois", "Meg", "Peter", "Stewie"] # Needs to be sorted.
    
    print find(L, "Peter")
    
    6
    def binarySearchOnString(arr, x):
            l = 0
            r = len(arr) - 1
            while (l <= r): 
                m = (l + r) // 2 
                if (arr[m] == x): 
                    return m
                elif (arr[m] < x): 
                    l = m + 1
                else: 
                    r = m - 1
            return -1  #   If element is not found  then it will return -1
        
                
    
    1

    False                                                                                                         
    True
    
    3
    def find(L, target):
        start = 0
        end = len(L) - 1
        while start <= end:
            middle = (start + end)// 2
            midpoint = L[middle]
            if midpoint > target:
                end = middle - 1
            elif midpoint < target:
                start = middle + 1
            else:
                return midpoint
    
        L = ["Brian", "Joe", "Lois", "Meg", "Peter", "Stewie"]
        L = sorted(L)
        print(find(L, "Lois"))
    
    8

    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    0
    False                                                                                                         
    True
    
    4
    def find(L, target):
        start = 0
        end = len(L) - 1
    
        while start <= end: 
            middle = (start + end)// 2 
            midpoint = L[middle]
            if midpoint > target:
                end = midpoint - 1
            elif midpoint < target:
                start = midpoint + 1
            else:
                return midpoint
    
    6

    False                                                                                                         
    True
    
    3
    False                                                                                                         
    True
    
    9

    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    0
    Input :  arr[] = {"contribute", "geeks", "ide", "practice"}, x = "ide"
    Output :  2
    The String x is present at index 2.
    
    Input :  arr[] = {"contribute", "geeks", "ide", "practice"}, x = "zz"
    Output :  -1
    The String "zz" is not present. 
    0
    Input :  arr[] = {"contribute", "geeks", "ide", "practice"}, x = "ide"
    Output :  2
    The String x is present at index 2.
    
    Input :  arr[] = {"contribute", "geeks", "ide", "practice"}, x = "zz"
    Output :  -1
    The String "zz" is not present. 
    1
    Input :  arr[] = {"contribute", "geeks", "ide", "practice"}, x = "ide"
    Output :  2
    The String x is present at index 2.
    
    Input :  arr[] = {"contribute", "geeks", "ide", "practice"}, x = "zz"
    Output :  -1
    The String "zz" is not present. 
    2
    Input :  arr[] = {"contribute", "geeks", "ide", "practice"}, x = "ide"
    Output :  2
    The String x is present at index 2.
    
    Input :  arr[] = {"contribute", "geeks", "ide", "practice"}, x = "zz"
    Output :  -1
    The String "zz" is not present. 
    3
    Input :  arr[] = {"contribute", "geeks", "ide", "practice"}, x = "ide"
    Output :  2
    The String x is present at index 2.
    
    Input :  arr[] = {"contribute", "geeks", "ide", "practice"}, x = "zz"
    Output :  -1
    The String "zz" is not present. 
    2
    Input :  arr[] = {"contribute", "geeks", "ide", "practice"}, x = "ide"
    Output :  2
    The String x is present at index 2.
    
    Input :  arr[] = {"contribute", "geeks", "ide", "practice"}, x = "zz"
    Output :  -1
    The String "zz" is not present. 
    5
    Input :  arr[] = {"contribute", "geeks", "ide", "practice"}, x = "ide"
    Output :  2
    The String x is present at index 2.
    
    Input :  arr[] = {"contribute", "geeks", "ide", "practice"}, x = "zz"
    Output :  -1
    The String "zz" is not present. 
    2
    Input :  arr[] = {"contribute", "geeks", "ide", "practice"}, x = "ide"
    Output :  2
    The String x is present at index 2.
    
    Input :  arr[] = {"contribute", "geeks", "ide", "practice"}, x = "zz"
    Output :  -1
    The String "zz" is not present. 
    7
    Input :  arr[] = {"contribute", "geeks", "ide", "practice"}, x = "ide"
    Output :  2
    The String x is present at index 2.
    
    Input :  arr[] = {"contribute", "geeks", "ide", "practice"}, x = "zz"
    Output :  -1
    The String "zz" is not present. 
    8

    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    0
    Element found at index 2
    0
    Input :  arr[] = {"contribute", "geeks", "ide", "practice"}, x = "ide"
    Output :  2
    The String x is present at index 2.
    
    Input :  arr[] = {"contribute", "geeks", "ide", "practice"}, x = "zz"
    Output :  -1
    The String "zz" is not present. 
    5
    Element found at index 2
    2

    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    0
    def find(L, target):
        start = 0
        end = len(L) - 1
    
        while start <= end: 
            middle = (start + end)// 2 
            midpoint = L[middle]
            if midpoint > target:
                end = midpoint - 1
            elif midpoint < target:
                start = midpoint + 1
            else:
                return midpoint
    
    8
    def find(L, target):
        start = 0
        end = len(L) - 1
    
        while start <= end: 
            middle = (start + end)// 2 
            midpoint = L[middle]
            if midpoint > target:
                end = midpoint - 1
            elif midpoint < target:
                start = midpoint + 1
            else:
                return midpoint
    
    9

    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    0
    False                                                                                                         
    True
    
    4
    Element found at index 2
    8

    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    0
    def find(L, target):
        start = 0
        end = len(L) - 1
    
        while start <= end: 
            middle = (start + end)// 2 
            midpoint = L[middle]
            if midpoint > target:
                end = midpoint - 1
            elif midpoint < target:
                start = midpoint + 1
            else:
                return midpoint
    
    8 #include1

    def find(L, target):
        start = 0
        end = len(L) - 1
    
        while start <= end: 
            middle = (start + end)// 2 
            midpoint = L[middle]
            if midpoint > target:
                end = midpoint - 1
            elif midpoint < target:
                start = midpoint + 1
            else:
                return midpoint
    
    1#include3#include4#include5

    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    0
    def find(L, target):
        start = 0
        end = len(L) - 1
        while start <= end:
            middle = (start + end)// 2
            midpoint = L[middle]
            if midpoint > target:
                end = middle - 1
            elif midpoint < target:
                start = middle + 1
            else:
                return midpoint
    
        L = ["Brian", "Joe", "Lois", "Meg", "Peter", "Stewie"]
        L = sorted(L)
        print(find(L, "Lois"))
    
    4

    def find(L, target):
        start = 0
        end = len(L) - 1
    
        while start <= end: 
            middle = (start + end)// 2 
            midpoint = L[middle]
            if midpoint > target:
                end = midpoint - 1
            elif midpoint < target:
                start = midpoint + 1
            else:
                return midpoint
    
    1#include3
    False                                                                                                         
    True
    
    00
    False                                                                                                         
    True
    
    01

    False                                                                                                         
    True
    
    3
    def find(L, target):
        start = 0
        end = len(L) - 1
        while start <= end:
            middle = (start + end)// 2
            midpoint = L[middle]
            if midpoint > target:
                end = middle - 1
            elif midpoint < target:
                start = middle + 1
            else:
                return midpoint
    
        L = ["Brian", "Joe", "Lois", "Meg", "Peter", "Stewie"]
        L = sorted(L)
        print(find(L, "Lois"))
    
    8

    Java

    False                                                                                                         
    True
    
    04
    False                                                                                                         
    True
    
    05

    False                                                                                                         
    True
    
    3
    False                                                                                                         
    True
    
    07
    False                                                                                                         
    True
    
    4
    False                                                                                                         
    True
    
    09

    False                                                                                                         
    True
    
    3
    False                                                                                                         
    True
    
    9

    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    0
    False                                                                                                         
    True
    
    4
    False                                                                                                         
    True
    
    14
    False                                                                                                         
    True
    
    15
    False                                                                                                         
    True
    
    16
    False                                                                                                         
    True
    
    17
    Element found at index 2
    2

    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    0
    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    7
    False                                                                                                         
    True
    
    21

    def find(L, target):
        start = 0
        end = len(L) - 1
    
        while start <= end: 
            middle = (start + end)// 2 
            midpoint = L[middle]
            if midpoint > target:
                end = midpoint - 1
            elif midpoint < target:
                start = midpoint + 1
            else:
                return midpoint
    
    1
    False                                                                                                         
    True
    
    4
    False                                                                                                         
    True
    
    24
    False                                                                                                         
    True
    
    25
    Element found at index 2
    2

    def find(L, target):
        start = 0
        end = len(L) - 1
    
        while start <= end: 
            middle = (start + end)// 2 
            midpoint = L[middle]
            if midpoint > target:
                end = midpoint - 1
            elif midpoint < target:
                start = midpoint + 1
            else:
                return midpoint
    
    1
    False                                                                                                         
    True
    
    4
    False                                                                                                         
    True
    
    29

    def find(L, target):
        start = 0
        end = len(L) - 1
    
        while start <= end: 
            middle = (start + end)// 2 
            midpoint = L[middle]
            if midpoint > target:
                end = midpoint - 1
            elif midpoint < target:
                start = midpoint + 1
            else:
                return midpoint
    
    1
    def find(L, target):
        start = 0
        end = len(L) - 1
    
        while start <= end: 
            middle = (start + end)// 2 
            midpoint = L[middle]
            if midpoint > target:
                end = midpoint - 1
            elif midpoint < target:
                start = midpoint + 1
            else:
                return midpoint
    
    8
    False                                                                                                         
    True
    
    32
    False                                                                                                         
    True
    
    15
    False                                                                                                         
    True
    
    34

    def find(L, target):
        start = 0
        end = len(L) - 1
    
        while start <= end:
            middle = (start + end)/ 2
            midpoint = L[middle]
            if midpoint > target:
                end = middle - 1
            elif midpoint < target:
                start = middle + 1
            else:
                return midpoint
    
    L = ["Brian", "Joe", "Lois", "Meg", "Peter", "Stewie"] # Needs to be sorted.
    
    print find(L, "Peter")
    
    5
    def find(L, target):
        start = 0
        end = len(L) - 1
    
        while start <= end:
            middle = (start + end)/ 2
            midpoint = L[middle]
            if midpoint > target:
                end = middle - 1
            elif midpoint < target:
                start = middle + 1
            else:
                return midpoint
    
    L = ["Brian", "Joe", "Lois", "Meg", "Peter", "Stewie"] # Needs to be sorted.
    
    print find(L, "Peter")
    
    6
    def find(L, target):
        start = 0
        end = len(L) - 1
    
        while start <= end:
            middle = (start + end)/ 2
            midpoint = L[middle]
            if midpoint > target:
                end = middle - 1
            elif midpoint < target:
                start = middle + 1
            else:
                return midpoint
    
    L = ["Brian", "Joe", "Lois", "Meg", "Peter", "Stewie"] # Needs to be sorted.
    
    print find(L, "Peter")
    
    7

    def find(L, target):
        start = 0
        end = len(L) - 1
    
        while start <= end: 
            middle = (start + end)// 2 
            midpoint = L[middle]
            if midpoint > target:
                end = midpoint - 1
            elif midpoint < target:
                start = midpoint + 1
            else:
                return midpoint
    
    1
    def find(L, target):
        start = 0
        end = len(L) - 1
    
        while start <= end: 
            middle = (start + end)// 2 
            midpoint = L[middle]
            if midpoint > target:
                end = midpoint - 1
            elif midpoint < target:
                start = midpoint + 1
            else:
                return midpoint
    
    8
    False                                                                                                         
    True
    
    40
    False                                                                                                         
    True
    
    15
    False                                                                                                         
    True
    
    34

    def find(L, target):
        start = 0
        end = len(L) - 1
    
        while start <= end:
            middle = (start + end)/ 2
            midpoint = L[middle]
            if midpoint > target:
                end = middle - 1
            elif midpoint < target:
                start = middle + 1
            else:
                return midpoint
    
    L = ["Brian", "Joe", "Lois", "Meg", "Peter", "Stewie"] # Needs to be sorted.
    
    print find(L, "Peter")
    
    5
    False                                                                                                         
    True
    
    44
    False                                                                                                         
    True
    
    17
    Element found at index 2
    2

    def find(L, target):
        start = 0
        end = len(L) - 1
    
        while start <= end: 
            middle = (start + end)// 2 
            midpoint = L[middle]
            if midpoint > target:
                end = midpoint - 1
            elif midpoint < target:
                start = midpoint + 1
            else:
                return midpoint
    
    1
    def find(L, target):
        start = 0
        end = len(L) - 1
        while start <= end:
            middle = (start + end)// 2
            midpoint = L[middle]
            if midpoint > target:
                end = middle - 1
            elif midpoint < target:
                start = middle + 1
            else:
                return midpoint
    
        L = ["Brian", "Joe", "Lois", "Meg", "Peter", "Stewie"]
        L = sorted(L)
        print(find(L, "Lois"))
    
    4

    def find(L, target):
        start = 0
        end = len(L) - 1
    
        while start <= end:
            middle = (start + end)/ 2
            midpoint = L[middle]
            if midpoint > target:
                end = middle - 1
            elif midpoint < target:
                start = middle + 1
            else:
                return midpoint
    
    L = ["Brian", "Joe", "Lois", "Meg", "Peter", "Stewie"] # Needs to be sorted.
    
    print find(L, "Peter")
    
    5
    False                                                                                                         
    True
    
    50
    False                                                                                                         
    True
    
    17
    Element found at index 2
    2

    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    0
    def find(L, target):
        start = 0
        end = len(L) - 1
        while start <= end:
            middle = (start + end)// 2
            midpoint = L[middle]
            if midpoint > target:
                end = middle - 1
            elif midpoint < target:
                start = middle + 1
            else:
                return midpoint
    
        L = ["Brian", "Joe", "Lois", "Meg", "Peter", "Stewie"]
        L = sorted(L)
        print(find(L, "Lois"))
    
    8

    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    0
    def find(L, target):
        start = 0
        end = len(L) - 1
    
        while start <= end:
            middle = (start + end)/ 2
            midpoint = L[middle]
            if midpoint > target:
                end = middle - 1
            elif midpoint < target:
                start = middle + 1
            else:
                return midpoint
    
    L = ["Brian", "Joe", "Lois", "Meg", "Peter", "Stewie"] # Needs to be sorted.
    
    print find(L, "Peter")
    
    6
    False                                                                                                         
    True
    
    57
    False                                                                                                         
    True
    
    17
    Element found at index 2
    2

    False                                                                                                         
    True
    
    3
    def find(L, target):
        start = 0
        end = len(L) - 1
        while start <= end:
            middle = (start + end)// 2
            midpoint = L[middle]
            if midpoint > target:
                end = middle - 1
            elif midpoint < target:
                start = middle + 1
            else:
                return midpoint
    
        L = ["Brian", "Joe", "Lois", "Meg", "Peter", "Stewie"]
        L = sorted(L)
        print(find(L, "Lois"))
    
    8

    False                                                                                                         
    True
    
    3
    False                                                                                                         
    True
    
    63
    False                                                                                                         
    True
    
    07
    False                                                                                                         
    True
    
    65
    False                                                                                                         
    True
    
    66

    False                                                                                                         
    True
    
    3
    False                                                                                                         
    True
    
    9

    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    0
    False                                                                                                         
    True
    
    70
    Input :  arr[] = {"contribute", "geeks", "ide", "practice"}, x = "ide"
    Output :  2
    The String x is present at index 2.
    
    Input :  arr[] = {"contribute", "geeks", "ide", "practice"}, x = "zz"
    Output :  -1
    The String "zz" is not present. 
    1
    Input :  arr[] = {"contribute", "geeks", "ide", "practice"}, x = "ide"
    Output :  2
    The String x is present at index 2.
    
    Input :  arr[] = {"contribute", "geeks", "ide", "practice"}, x = "zz"
    Output :  -1
    The String "zz" is not present. 
    2
    Input :  arr[] = {"contribute", "geeks", "ide", "practice"}, x = "ide"
    Output :  2
    The String x is present at index 2.
    
    Input :  arr[] = {"contribute", "geeks", "ide", "practice"}, x = "zz"
    Output :  -1
    The String "zz" is not present. 
    3
    Input :  arr[] = {"contribute", "geeks", "ide", "practice"}, x = "ide"
    Output :  2
    The String x is present at index 2.
    
    Input :  arr[] = {"contribute", "geeks", "ide", "practice"}, x = "zz"
    Output :  -1
    The String "zz" is not present. 
    2
    Input :  arr[] = {"contribute", "geeks", "ide", "practice"}, x = "ide"
    Output :  2
    The String x is present at index 2.
    
    Input :  arr[] = {"contribute", "geeks", "ide", "practice"}, x = "zz"
    Output :  -1
    The String "zz" is not present. 
    5
    Input :  arr[] = {"contribute", "geeks", "ide", "practice"}, x = "ide"
    Output :  2
    The String x is present at index 2.
    
    Input :  arr[] = {"contribute", "geeks", "ide", "practice"}, x = "zz"
    Output :  -1
    The String "zz" is not present. 
    2
    Input :  arr[] = {"contribute", "geeks", "ide", "practice"}, x = "ide"
    Output :  2
    The String x is present at index 2.
    
    Input :  arr[] = {"contribute", "geeks", "ide", "practice"}, x = "zz"
    Output :  -1
    The String "zz" is not present. 
    7
    Input :  arr[] = {"contribute", "geeks", "ide", "practice"}, x = "ide"
    Output :  2
    The String x is present at index 2.
    
    Input :  arr[] = {"contribute", "geeks", "ide", "practice"}, x = "zz"
    Output :  -1
    The String "zz" is not present. 
    8

    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    0
    False                                                                                                         
    True
    
    80
    Input :  arr[] = {"contribute", "geeks", "ide", "practice"}, x = "ide"
    Output :  2
    The String x is present at index 2.
    
    Input :  arr[] = {"contribute", "geeks", "ide", "practice"}, x = "zz"
    Output :  -1
    The String "zz" is not present. 
    5
    Element found at index 2
    2

    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    0
    False                                                                                                         
    True
    
    4
    False                                                                                                         
    True
    
    85

    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    0
    def find(L, target):
        start = 0
        end = len(L) - 1
    
        while start <= end: 
            middle = (start + end)// 2 
            midpoint = L[middle]
            if midpoint > target:
                end = midpoint - 1
            elif midpoint < target:
                start = midpoint + 1
            else:
                return midpoint
    
    8
    False                                                                                                         
    True
    
    88
    False                                                                                                         
    True
    
    17
    False                                                                                                         
    True
    
    34

    def find(L, target):
        start = 0
        end = len(L) - 1
    
        while start <= end: 
            middle = (start + end)// 2 
            midpoint = L[middle]
            if midpoint > target:
                end = midpoint - 1
            elif midpoint < target:
                start = midpoint + 1
            else:
                return midpoint
    
    1
    False                                                                                                         
    True
    
    92#include4#include5

    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    0
    def find(L, target):
        start = 0
        end = len(L) - 1
        while start <= end:
            middle = (start + end)// 2
            midpoint = L[middle]
            if midpoint > target:
                end = middle - 1
            elif midpoint < target:
                start = middle + 1
            else:
                return midpoint
    
        L = ["Brian", "Joe", "Lois", "Meg", "Peter", "Stewie"]
        L = sorted(L)
        print(find(L, "Lois"))
    
    4

    def find(L, target):
        start = 0
        end = len(L) - 1
    
        while start <= end: 
            middle = (start + end)// 2 
            midpoint = L[middle]
            if midpoint > target:
                end = midpoint - 1
            elif midpoint < target:
                start = midpoint + 1
            else:
                return midpoint
    
    1
    False                                                                                                         
    True
    
    92
    False                                                                                                         
    True
    
    99

    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    00
    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    01
    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    02
    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    03

    False                                                                                                         
    True
    
    3
    def find(L, target):
        start = 0
        end = len(L) - 1
        while start <= end:
            middle = (start + end)// 2
            midpoint = L[middle]
            if midpoint > target:
                end = middle - 1
            elif midpoint < target:
                start = middle + 1
            else:
                return midpoint
    
        L = ["Brian", "Joe", "Lois", "Meg", "Peter", "Stewie"]
        L = sorted(L)
        print(find(L, "Lois"))
    
    8

    def find(L, target):
        start = 0
        end = len(L) - 1
        while start <= end:
            middle = (start + end)// 2
            midpoint = L[middle]
            if midpoint > target:
                end = middle - 1
            elif midpoint < target:
                start = middle + 1
            else:
                return midpoint
    
        L = ["Brian", "Joe", "Lois", "Meg", "Peter", "Stewie"]
        L = sorted(L)
        print(find(L, "Lois"))
    
    8

    Python3

    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    07
    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    08

    False                                                                                                         
    True
    
    3
    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    10
    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    11
    False                                                                                                         
    True
    
    15

    False                                                                                                         
    True
    
    3
    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    14
    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    11
    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    16
    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    17

    False                                                                                                         
    True
    
    3
    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    7
    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    20
    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    11
    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    22

    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    0
    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    24
    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    11
    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    10
    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    27
    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    28
    False                                                                                                         
    True
    
    57

    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    0
    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    36
    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    11
    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    38
    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    11
    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    11
    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    41

    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    0
    def find(L, target):
        start = 0
        end = len(L) - 1
    
        while start <= end: 
            middle = (start + end)// 2 
            midpoint = L[middle]
            if midpoint > target:
                end = midpoint - 1
            elif midpoint < target:
                start = midpoint + 1
            else:
                return midpoint
    
    8
    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    44
    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    11
    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    11
    False                                                                                                         
    True
    
    15
    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    48

    def find(L, target):
        start = 0
        end = len(L) - 1
    
        while start <= end: 
            middle = (start + end)// 2 
            midpoint = L[middle]
            if midpoint > target:
                end = midpoint - 1
            elif midpoint < target:
                start = midpoint + 1
            else:
                return midpoint
    
    1
    def find(L, target):
        start = 0
        end = len(L) - 1
    
        while start <= end:
            middle = (start + end)/ 2
            midpoint = L[middle]
            if midpoint > target:
                end = middle - 1
            elif midpoint < target:
                start = middle + 1
            else:
                return midpoint
    
    L = ["Brian", "Joe", "Lois", "Meg", "Peter", "Stewie"] # Needs to be sorted.
    
    print find(L, "Peter")
    
    6
    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    24
    False                                                                                                         
    True
    
    57
    False                                                                                                         
    True
    
    17

    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    0
    def find(L, target):
        start = 0
        end = len(L) - 1
    
        while start <= end: 
            middle = (start + end)// 2 
            midpoint = L[middle]
            if midpoint > target:
                end = midpoint - 1
            elif midpoint < target:
                start = midpoint + 1
            else:
                return midpoint
    
    8
    False                                                                                                         
    True
    
    40
    False                                                                                                         
    True
    
    15
    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    48

    def find(L, target):
        start = 0
        end = len(L) - 1
    
        while start <= end: 
            middle = (start + end)// 2 
            midpoint = L[middle]
            if midpoint > target:
                end = midpoint - 1
            elif midpoint < target:
                start = midpoint + 1
            else:
                return midpoint
    
    1
    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    10
    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    11
    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    24
    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    27
    False                                                                                                         
    True
    
    17

    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    0
    def find(L, target):
        start = 0
        end = len(L) - 1
        while start <= end:
            middle = (start + end)// 2
            midpoint = L[middle]
            if midpoint > target:
                end = middle - 1
            elif midpoint < target:
                start = middle + 1
            else:
                return midpoint
    
        L = ["Brian", "Joe", "Lois", "Meg", "Peter", "Stewie"]
        L = sorted(L)
        print(find(L, "Lois"))
    
    4
    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    67

    def find(L, target):
        start = 0
        end = len(L) - 1
    
        while start <= end: 
            middle = (start + end)// 2 
            midpoint = L[middle]
            if midpoint > target:
                end = midpoint - 1
            elif midpoint < target:
                start = midpoint + 1
            else:
                return midpoint
    
    1
    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    14
    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    11
    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    24
    False                                                                                                         
    True
    
    57
    False                                                                                                         
    True
    
    17

    False                                                                                                         
    True
    
    3
    def find(L, target):
        start = 0
        end = len(L) - 1
    
        while start <= end:
            middle = (start + end)/ 2
            midpoint = L[middle]
            if midpoint > target:
                end = middle - 1
            elif midpoint < target:
                start = middle + 1
            else:
                return midpoint
    
    L = ["Brian", "Joe", "Lois", "Meg", "Peter", "Stewie"] # Needs to be sorted.
    
    print find(L, "Peter")
    
    6
    False                                                                                                         
    True
    
    57
    False                                                                                                         
    True
    
    17

    def find(L, target):
        start = 0
        end = len(L) - 1
    
        while start <= end: 
            middle = (start + end)// 2 
            midpoint = L[middle]
            if midpoint > target:
                end = midpoint - 1
            elif midpoint < target:
                start = midpoint + 1
            else:
                return midpoint
    
    8
    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    79
    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    11
    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    11
    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    82
    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    67

    False                                                                                                         
    True
    
    3
    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    85
    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    11
    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    87
    Input :  arr[] = {"contribute", "geeks", "ide", "practice"}, x = "ide"
    Output :  2
    The String x is present at index 2.
    
    Input :  arr[] = {"contribute", "geeks", "ide", "practice"}, x = "zz"
    Output :  -1
    The String "zz" is not present. 
    1______72

    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    92
    Input :  arr[] = {"contribute", "geeks", "ide", "practice"}, x = "ide"
    Output :  2
    The String x is present at index 2.
    
    Input :  arr[] = {"contribute", "geeks", "ide", "practice"}, x = "zz"
    Output :  -1
    The String "zz" is not present. 
    5
    Input :  arr[] = {"contribute", "geeks", "ide", "practice"}, x = "ide"
    Output :  2
    The String x is present at index 2.
    
    Input :  arr[] = {"contribute", "geeks", "ide", "practice"}, x = "zz"
    Output :  -1
    The String "zz" is not present. 
    2
    Input :  arr[] = {"contribute", "geeks", "ide", "practice"}, x = "ide"
    Output :  2
    The String x is present at index 2.
    
    Input :  arr[] = {"contribute", "geeks", "ide", "practice"}, x = "zz"
    Output :  -1
    The String "zz" is not present. 
    7
    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    96

    False                                                                                                         
    True
    
    3
    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    98
    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    11
    Input :  arr[] = {"contribute", "geeks", "ide", "practice"}, x = "ide"
    Output :  2
    The String x is present at index 2.
    
    Input :  arr[] = {"contribute", "geeks", "ide", "practice"}, x = "zz"
    Output :  -1
    The String "zz" is not present. 
    5

    False                                                                                                         
    True
    
    3
    def find(L, target):
        start = 0
        end = len(L) - 1
    
        while start <= end: 
            middle = (start + end)// 2 
            midpoint = L[middle]
            if midpoint > target:
                end = midpoint - 1
            elif midpoint < target:
                start = midpoint + 1
            else:
                return midpoint
    
    02211
    def find(L, target):
        start = 0
        end = len(L) - 1
    
        while start <= end: 
            middle = (start + end)// 2 
            midpoint = L[middle]
            if midpoint > target:
                end = midpoint - 1
            elif midpoint < target:
                start = midpoint + 1
            else:
                return midpoint
    
    04

    False                                                                                                         
    True
    
    3
    def find(L, target):
        start = 0
        end = len(L) - 1
    
        while start <= end: 
            middle = (start + end)// 2 
            midpoint = L[middle]
            if midpoint > target:
                end = midpoint - 1
            elif midpoint < target:
                start = midpoint + 1
            else:
                return midpoint
    
    8
    def find(L, target):
        start = 0
        end = len(L) - 1
    
        while start <= end: 
            middle = (start + end)// 2 
            midpoint = L[middle]
            if midpoint > target:
                end = midpoint - 1
            elif midpoint < target:
                start = midpoint + 1
            else:
                return midpoint
    
    07
    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    11
    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    11
    False                                                                                                         
    True
    
    57
    False                                                                                                         
    True
    
    17
    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    48

    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    0
    def find(L, target):
        start = 0
        end = len(L) - 1
    
        while start <= end: 
            middle = (start + end)// 2 
            midpoint = L[middle]
            if midpoint > target:
                end = midpoint - 1
            elif midpoint < target:
                start = midpoint + 1
            else:
                return midpoint
    
    14
    def find(L, target):
        start = 0
        end = len(L) - 1
    
        while start <= end: 
            middle = (start + end)// 2 
            midpoint = L[middle]
            if midpoint > target:
                end = midpoint - 1
            elif midpoint < target:
                start = midpoint + 1
            else:
                return midpoint
    
    15#include4
    False                                                                                                         
    True
    
    34

    False                                                                                                         
    True
    
    3
    def find(L, target):
        start = 0
        end = len(L) - 1
        while start <= end:
            middle = (start + end)// 2
            midpoint = L[middle]
            if midpoint > target:
                end = middle - 1
            elif midpoint < target:
                start = middle + 1
            else:
                return midpoint
    
        L = ["Brian", "Joe", "Lois", "Meg", "Peter", "Stewie"]
        L = sorted(L)
        print(find(L, "Lois"))
    
    4
    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    67

    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    0
    def find(L, target):
        start = 0
        end = len(L) - 1
    
        while start <= end: 
            middle = (start + end)// 2 
            midpoint = L[middle]
            if midpoint > target:
                end = midpoint - 1
            elif midpoint < target:
                start = midpoint + 1
            else:
                return midpoint
    
    14
    def find(L, target):
        start = 0
        end = len(L) - 1
    
        while start <= end: 
            middle = (start + end)// 2 
            midpoint = L[middle]
            if midpoint > target:
                end = midpoint - 1
            elif midpoint < target:
                start = midpoint + 1
            else:
                return midpoint
    
    15
    def find(L, target):
        start = 0
        end = len(L) - 1
    
        while start <= end: 
            middle = (start + end)// 2 
            midpoint = L[middle]
            if midpoint > target:
                end = midpoint - 1
            elif midpoint < target:
                start = midpoint + 1
            else:
                return midpoint
    
    24
    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    91

    def find(L, target):
        start = 0
        end = len(L) - 1
    
        while start <= end: 
            middle = (start + end)// 2 
            midpoint = L[middle]
            if midpoint > target:
                end = midpoint - 1
            elif midpoint < target:
                start = midpoint + 1
            else:
                return midpoint
    
    26
    def find(L, target):
        start = 0
        end = len(L) - 1
    
        while start <= end: 
            middle = (start + end)// 2 
            midpoint = L[middle]
            if midpoint > target:
                end = midpoint - 1
            elif midpoint < target:
                start = midpoint + 1
            else:
                return midpoint
    
    27

    C#

    False                                                                                                         
    True
    
    0
    def find(L, target):
        start = 0
        end = len(L) - 1
    
        while start <= end: 
            middle = (start + end)// 2 
            midpoint = L[middle]
            if midpoint > target:
                end = midpoint - 1
            elif midpoint < target:
                start = midpoint + 1
            else:
                return midpoint
    
    29

    False                                                                                                         
    True
    
    04
    False                                                                                                         
    True
    
    05

    False                                                                                                         
    True
    
    3
    False                                                                                                         
    True
    
    07
    False                                                                                                         
    True
    
    4
    False                                                                                                         
    True
    
    09

    False                                                                                                         
    True
    
    3
    False                                                                                                         
    True
    
    9

    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    0
    False                                                                                                         
    True
    
    4
    False                                                                                                         
    True
    
    14
    False                                                                                                         
    True
    
    15
    False                                                                                                         
    True
    
    16
    False                                                                                                         
    True
    
    17
    Element found at index 2
    2

    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    0
    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    7
    False                                                                                                         
    True
    
    21

    def find(L, target):
        start = 0
        end = len(L) - 1
    
        while start <= end: 
            middle = (start + end)// 2 
            midpoint = L[middle]
            if midpoint > target:
                end = midpoint - 1
            elif midpoint < target:
                start = midpoint + 1
            else:
                return midpoint
    
    1
    False                                                                                                         
    True
    
    4
    False                                                                                                         
    True
    
    24
    False                                                                                                         
    True
    
    25
    Element found at index 2
    2

    def find(L, target):
        start = 0
        end = len(L) - 1
    
        while start <= end: 
            middle = (start + end)// 2 
            midpoint = L[middle]
            if midpoint > target:
                end = midpoint - 1
            elif midpoint < target:
                start = midpoint + 1
            else:
                return midpoint
    
    1
    False                                                                                                         
    True
    
    4
    False                                                                                                         
    True
    
    29

    def find(L, target):
        start = 0
        end = len(L) - 1
    
        while start <= end: 
            middle = (start + end)// 2 
            midpoint = L[middle]
            if midpoint > target:
                end = midpoint - 1
            elif midpoint < target:
                start = midpoint + 1
            else:
                return midpoint
    
    1
    def find(L, target):
        start = 0
        end = len(L) - 1
    
        while start <= end: 
            middle = (start + end)// 2 
            midpoint = L[middle]
            if midpoint > target:
                end = midpoint - 1
            elif midpoint < target:
                start = midpoint + 1
            else:
                return midpoint
    
    8
    False                                                                                                         
    True
    
    32
    False                                                                                                         
    True
    
    15
    False                                                                                                         
    True
    
    34

    def find(L, target):
        start = 0
        end = len(L) - 1
    
        while start <= end:
            middle = (start + end)/ 2
            midpoint = L[middle]
            if midpoint > target:
                end = middle - 1
            elif midpoint < target:
                start = middle + 1
            else:
                return midpoint
    
    L = ["Brian", "Joe", "Lois", "Meg", "Peter", "Stewie"] # Needs to be sorted.
    
    print find(L, "Peter")
    
    5
    def find(L, target):
        start = 0
        end = len(L) - 1
    
        while start <= end:
            middle = (start + end)/ 2
            midpoint = L[middle]
            if midpoint > target:
                end = middle - 1
            elif midpoint < target:
                start = middle + 1
            else:
                return midpoint
    
    L = ["Brian", "Joe", "Lois", "Meg", "Peter", "Stewie"] # Needs to be sorted.
    
    print find(L, "Peter")
    
    6
    def find(L, target):
        start = 0
        end = len(L) - 1
    
        while start <= end:
            middle = (start + end)/ 2
            midpoint = L[middle]
            if midpoint > target:
                end = middle - 1
            elif midpoint < target:
                start = middle + 1
            else:
                return midpoint
    
    L = ["Brian", "Joe", "Lois", "Meg", "Peter", "Stewie"] # Needs to be sorted.
    
    print find(L, "Peter")
    
    7

    def find(L, target):
        start = 0
        end = len(L) - 1
    
        while start <= end: 
            middle = (start + end)// 2 
            midpoint = L[middle]
            if midpoint > target:
                end = midpoint - 1
            elif midpoint < target:
                start = midpoint + 1
            else:
                return midpoint
    
    1
    def find(L, target):
        start = 0
        end = len(L) - 1
    
        while start <= end: 
            middle = (start + end)// 2 
            midpoint = L[middle]
            if midpoint > target:
                end = midpoint - 1
            elif midpoint < target:
                start = midpoint + 1
            else:
                return midpoint
    
    8
    False                                                                                                         
    True
    
    40
    False                                                                                                         
    True
    
    15
    False                                                                                                         
    True
    
    34

    def find(L, target):
        start = 0
        end = len(L) - 1
    
        while start <= end:
            middle = (start + end)/ 2
            midpoint = L[middle]
            if midpoint > target:
                end = middle - 1
            elif midpoint < target:
                start = middle + 1
            else:
                return midpoint
    
    L = ["Brian", "Joe", "Lois", "Meg", "Peter", "Stewie"] # Needs to be sorted.
    
    print find(L, "Peter")
    
    5
    def find(L, target):
        start = 0
        end = len(L) - 1
        while start <= end:
            middle = (start + end)// 2
            midpoint = L[middle]
            if midpoint > target:
                end = middle - 1
            elif midpoint < target:
                start = middle + 1
            else:
                return midpoint
    
        L = ["Brian", "Joe", "Lois", "Meg", "Peter", "Stewie"]
        L = sorted(L)
        print(find(L, "Lois"))
    
    2

    def find(L, target):
        start = 0
        end = len(L) - 1
    
        while start <= end: 
            middle = (start + end)// 2 
            midpoint = L[middle]
            if midpoint > target:
                end = midpoint - 1
            elif midpoint < target:
                start = midpoint + 1
            else:
                return midpoint
    
    1
    def find(L, target):
        start = 0
        end = len(L) - 1
        while start <= end:
            middle = (start + end)// 2
            midpoint = L[middle]
            if midpoint > target:
                end = middle - 1
            elif midpoint < target:
                start = middle + 1
            else:
                return midpoint
    
        L = ["Brian", "Joe", "Lois", "Meg", "Peter", "Stewie"]
        L = sorted(L)
        print(find(L, "Lois"))
    
    4

    def find(L, target):
        start = 0
        end = len(L) - 1
    
        while start <= end:
            middle = (start + end)/ 2
            midpoint = L[middle]
            if midpoint > target:
                end = middle - 1
            elif midpoint < target:
                start = middle + 1
            else:
                return midpoint
    
    L = ["Brian", "Joe", "Lois", "Meg", "Peter", "Stewie"] # Needs to be sorted.
    
    print find(L, "Peter")
    
    5
    def find(L, target):
        start = 0
        end = len(L) - 1
        while start <= end:
            middle = (start + end)// 2
            midpoint = L[middle]
            if midpoint > target:
                end = middle - 1
            elif midpoint < target:
                start = middle + 1
            else:
                return midpoint
    
        L = ["Brian", "Joe", "Lois", "Meg", "Peter", "Stewie"]
        L = sorted(L)
        print(find(L, "Lois"))
    
    6

    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    0
    def find(L, target):
        start = 0
        end = len(L) - 1
        while start <= end:
            middle = (start + end)// 2
            midpoint = L[middle]
            if midpoint > target:
                end = middle - 1
            elif midpoint < target:
                start = middle + 1
            else:
                return midpoint
    
        L = ["Brian", "Joe", "Lois", "Meg", "Peter", "Stewie"]
        L = sorted(L)
        print(find(L, "Lois"))
    
    8

    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    0
    def find(L, target):
        start = 0
        end = len(L) - 1
    
        while start <= end:
            middle = (start + end)/ 2
            midpoint = L[middle]
            if midpoint > target:
                end = middle - 1
            elif midpoint < target:
                start = middle + 1
            else:
                return midpoint
    
    L = ["Brian", "Joe", "Lois", "Meg", "Peter", "Stewie"] # Needs to be sorted.
    
    print find(L, "Peter")
    
    6
    False                                                                                                         
    True
    
    57
    False                                                                                                         
    True
    
    17
    Element found at index 2
    2

    False                                                                                                         
    True
    
    3
    def find(L, target):
        start = 0
        end = len(L) - 1
        while start <= end:
            middle = (start + end)// 2
            midpoint = L[middle]
            if midpoint > target:
                end = middle - 1
            elif midpoint < target:
                start = middle + 1
            else:
                return midpoint
    
        L = ["Brian", "Joe", "Lois", "Meg", "Peter", "Stewie"]
        L = sorted(L)
        print(find(L, "Lois"))
    
    8

    False                                                                                                         
    True
    
    3
    False                                                                                                         
    True
    
    63
    False                                                                                                         
    True
    
    07
    False                                                                                                         
    True
    
    65
    False                                                                                                         
    True
    
    66

    False                                                                                                         
    True
    
    3
    False                                                                                                         
    True
    
    9

    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    0
    False                                                                                                         
    True
    
    70
    Input :  arr[] = {"contribute", "geeks", "ide", "practice"}, x = "ide"
    Output :  2
    The String x is present at index 2.
    
    Input :  arr[] = {"contribute", "geeks", "ide", "practice"}, x = "zz"
    Output :  -1
    The String "zz" is not present. 
    1
    Input :  arr[] = {"contribute", "geeks", "ide", "practice"}, x = "ide"
    Output :  2
    The String x is present at index 2.
    
    Input :  arr[] = {"contribute", "geeks", "ide", "practice"}, x = "zz"
    Output :  -1
    The String "zz" is not present. 
    2
    Input :  arr[] = {"contribute", "geeks", "ide", "practice"}, x = "ide"
    Output :  2
    The String x is present at index 2.
    
    Input :  arr[] = {"contribute", "geeks", "ide", "practice"}, x = "zz"
    Output :  -1
    The String "zz" is not present. 
    3
    Input :  arr[] = {"contribute", "geeks", "ide", "practice"}, x = "ide"
    Output :  2
    The String x is present at index 2.
    
    Input :  arr[] = {"contribute", "geeks", "ide", "practice"}, x = "zz"
    Output :  -1
    The String "zz" is not present. 
    2
    Input :  arr[] = {"contribute", "geeks", "ide", "practice"}, x = "ide"
    Output :  2
    The String x is present at index 2.
    
    Input :  arr[] = {"contribute", "geeks", "ide", "practice"}, x = "zz"
    Output :  -1
    The String "zz" is not present. 
    5
    Input :  arr[] = {"contribute", "geeks", "ide", "practice"}, x = "ide"
    Output :  2
    The String x is present at index 2.
    
    Input :  arr[] = {"contribute", "geeks", "ide", "practice"}, x = "zz"
    Output :  -1
    The String "zz" is not present. 
    2
    Input :  arr[] = {"contribute", "geeks", "ide", "practice"}, x = "ide"
    Output :  2
    The String x is present at index 2.
    
    Input :  arr[] = {"contribute", "geeks", "ide", "practice"}, x = "zz"
    Output :  -1
    The String "zz" is not present. 
    7
    Input :  arr[] = {"contribute", "geeks", "ide", "practice"}, x = "ide"
    Output :  2
    The String x is present at index 2.
    
    Input :  arr[] = {"contribute", "geeks", "ide", "practice"}, x = "zz"
    Output :  -1
    The String "zz" is not present. 
    8

    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    0
    False                                                                                                         
    True
    
    80
    Input :  arr[] = {"contribute", "geeks", "ide", "practice"}, x = "ide"
    Output :  2
    The String x is present at index 2.
    
    Input :  arr[] = {"contribute", "geeks", "ide", "practice"}, x = "zz"
    Output :  -1
    The String "zz" is not present. 
    5
    Element found at index 2
    2

    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    0
    False                                                                                                         
    True
    
    4
    False                                                                                                         
    True
    
    85

    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    0
    def find(L, target):
        start = 0
        end = len(L) - 1
    
        while start <= end: 
            middle = (start + end)// 2 
            midpoint = L[middle]
            if midpoint > target:
                end = midpoint - 1
            elif midpoint < target:
                start = midpoint + 1
            else:
                return midpoint
    
    8 #include1

    def find(L, target):
        start = 0
        end = len(L) - 1
    
        while start <= end: 
            middle = (start + end)// 2 
            midpoint = L[middle]
            if midpoint > target:
                end = midpoint - 1
            elif midpoint < target:
                start = midpoint + 1
            else:
                return midpoint
    
    1
    def find(L, target):
        start = 0
        end = len(L) - 1
    
        while start <= end:
            middle = (start + end)/ 2
            midpoint = L[middle]
            if midpoint > target:
                end = middle - 1
            elif midpoint < target:
                start = middle + 1
            else:
                return midpoint
    
    L = ["Brian", "Joe", "Lois", "Meg", "Peter", "Stewie"] # Needs to be sorted.
    
    print find(L, "Peter")
    
    00#include4#include5

    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    0
    def find(L, target):
        start = 0
        end = len(L) - 1
    
        while start <= end: 
            middle = (start + end)// 2 
            midpoint = L[middle]
            if midpoint > target:
                end = midpoint - 1
            elif midpoint < target:
                start = midpoint + 1
            else:
                return midpoint
    
    8
    False                                                                                                         
    True
    
    88
    False                                                                                                         
    True
    
    17
    False                                                                                                         
    True
    
    34

    def find(L, target):
        start = 0
        end = len(L) - 1
    
        while start <= end: 
            middle = (start + end)// 2 
            midpoint = L[middle]
            if midpoint > target:
                end = midpoint - 1
            elif midpoint < target:
                start = midpoint + 1
            else:
                return midpoint
    
    1
    def find(L, target):
        start = 0
        end = len(L) - 1
    
        while start <= end:
            middle = (start + end)/ 2
            midpoint = L[middle]
            if midpoint > target:
                end = middle - 1
            elif midpoint < target:
                start = middle + 1
            else:
                return midpoint
    
    L = ["Brian", "Joe", "Lois", "Meg", "Peter", "Stewie"] # Needs to be sorted.
    
    print find(L, "Peter")
    
    00
    False                                                                                                         
    True
    
    99

    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    00
    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    01
    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    02
    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    03

    False                                                                                                         
    True
    
    3
    def find(L, target):
        start = 0
        end = len(L) - 1
        while start <= end:
            middle = (start + end)// 2
            midpoint = L[middle]
            if midpoint > target:
                end = middle - 1
            elif midpoint < target:
                start = middle + 1
            else:
                return midpoint
    
        L = ["Brian", "Joe", "Lois", "Meg", "Peter", "Stewie"]
        L = sorted(L)
        print(find(L, "Lois"))
    
    8

    def find(L, target):
        start = 0
        end = len(L) - 1
        while start <= end:
            middle = (start + end)// 2
            midpoint = L[middle]
            if midpoint > target:
                end = middle - 1
            elif midpoint < target:
                start = middle + 1
            else:
                return midpoint
    
        L = ["Brian", "Joe", "Lois", "Meg", "Peter", "Stewie"]
        L = sorted(L)
        print(find(L, "Lois"))
    
    8

    >>> x = [1, 2, 3, 4] >>> k = 2 >>> x[-2:] + x[:-2] [3, 4, 1, 2] 07 >>> x = [1, 2, 3, 4] >>> k = 2 >>> x[-2:] + x[:-2] [3, 4, 1, 2] 08

    def find(L, target):
        start = 0
        end = len(L) - 1
    
        while start <= end:
            middle = (start + end)/ 2
            midpoint = L[middle]
            if midpoint > target:
                end = middle - 1
            elif midpoint < target:
                start = middle + 1
            else:
                return midpoint
    
    L = ["Brian", "Joe", "Lois", "Meg", "Peter", "Stewie"] # Needs to be sorted.
    
    print find(L, "Peter")
    
    15

    False                                                                                                         
    True
    
    3
    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    10
    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    11
    False                                                                                                         
    True
    
    15

    False                                                                                                         
    True
    
    9

    False                                                                                                         
    True
    
    3
    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    14
    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    11
    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    16
    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    17

    False                                                                                                         
    True
    
    3
    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    7
    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    20
    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    11
    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    22

    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    0
    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    24
    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    11
    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    10
    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    27
    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    28
    False                                                                                                         
    True
    
    57

    False                                                                                                         
    True
    
    3
    False                                                                                                         
    True
    
    9

    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    0
    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    36
    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    11
    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    38
    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    11
    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    11
    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    41

    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    0
    def find(L, target):
        start = 0
        end = len(L) - 1
    
        while start <= end: 
            middle = (start + end)// 2 
            midpoint = L[middle]
            if midpoint > target:
                end = midpoint - 1
            elif midpoint < target:
                start = midpoint + 1
            else:
                return midpoint
    
    8
    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    44
    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    11
    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    11
    False                                                                                                         
    True
    
    15
    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    48

    def find(L, target):
        start = 0
        end = len(L) - 1
    
        while start <= end: 
            middle = (start + end)// 2 
            midpoint = L[middle]
            if midpoint > target:
                end = midpoint - 1
            elif midpoint < target:
                start = midpoint + 1
            else:
                return midpoint
    
    1
    def find(L, target):
        start = 0
        end = len(L) - 1
    
        while start <= end:
            middle = (start + end)/ 2
            midpoint = L[middle]
            if midpoint > target:
                end = middle - 1
            elif midpoint < target:
                start = middle + 1
            else:
                return midpoint
    
    L = ["Brian", "Joe", "Lois", "Meg", "Peter", "Stewie"] # Needs to be sorted.
    
    print find(L, "Peter")
    
    6
    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    24
    False                                                                                                         
    True
    
    57
    False                                                                                                         
    True
    
    17

    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    0
    def find(L, target):
        start = 0
        end = len(L) - 1
    
        while start <= end: 
            middle = (start + end)// 2 
            midpoint = L[middle]
            if midpoint > target:
                end = midpoint - 1
            elif midpoint < target:
                start = midpoint + 1
            else:
                return midpoint
    
    8
    False                                                                                                         
    True
    
    40
    False                                                                                                         
    True
    
    15
    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    48

    def find(L, target):
        start = 0
        end = len(L) - 1
    
        while start <= end: 
            middle = (start + end)// 2 
            midpoint = L[middle]
            if midpoint > target:
                end = midpoint - 1
            elif midpoint < target:
                start = midpoint + 1
            else:
                return midpoint
    
    1
    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    10
    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    11
    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    24
    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    27
    False                                                                                                         
    True
    
    17

    def find(L, target):
        start = 0
        end = len(L) - 1
    
        while start <= end: 
            middle = (start + end)// 2 
            midpoint = L[middle]
            if midpoint > target:
                end = midpoint - 1
            elif midpoint < target:
                start = midpoint + 1
            else:
                return midpoint
    
    1
    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    14
    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    11
    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    24
    False                                                                                                         
    True
    
    57
    False                                                                                                         
    True
    
    17

    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    0
    def find(L, target):
        start = 0
        end = len(L) - 1
        while start <= end:
            middle = (start + end)// 2
            midpoint = L[middle]
            if midpoint > target:
                end = middle - 1
            elif midpoint < target:
                start = middle + 1
            else:
                return midpoint
    
        L = ["Brian", "Joe", "Lois", "Meg", "Peter", "Stewie"]
        L = sorted(L)
        print(find(L, "Lois"))
    
    4

    False                                                                                                         
    True
    
    3
    def find(L, target):
        start = 0
        end = len(L) - 1
    
        while start <= end:
            middle = (start + end)/ 2
            midpoint = L[middle]
            if midpoint > target:
                end = middle - 1
            elif midpoint < target:
                start = middle + 1
            else:
                return midpoint
    
    L = ["Brian", "Joe", "Lois", "Meg", "Peter", "Stewie"] # Needs to be sorted.
    
    print find(L, "Peter")
    
    6
    False                                                                                                         
    True
    
    57
    False                                                                                                         
    True
    
    17

    False                                                                                                         
    True
    
    3
    def find(L, target):
        start = 0
        end = len(L) - 1
        while start <= end:
            middle = (start + end)// 2
            midpoint = L[middle]
            if midpoint > target:
                end = middle - 1
            elif midpoint < target:
                start = middle + 1
            else:
                return midpoint
    
        L = ["Brian", "Joe", "Lois", "Meg", "Peter", "Stewie"]
        L = sorted(L)
        print(find(L, "Lois"))
    
    8

    def find(L, target):
        start = 0
        end = len(L) - 1
    
        while start <= end: 
            middle = (start + end)// 2 
            midpoint = L[middle]
            if midpoint > target:
                end = midpoint - 1
            elif midpoint < target:
                start = midpoint + 1
            else:
                return midpoint
    
    8
    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    79
    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    11
    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    11
    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    82
    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    67

    def find(L, target):
        start = 0
        end = len(L) - 1
        while start <= end:
            middle = (start + end)// 2
            midpoint = L[middle]
            if midpoint > target:
                end = middle - 1
            elif midpoint < target:
                start = middle + 1
            else:
                return midpoint
    
        L = ["Brian", "Joe", "Lois", "Meg", "Peter", "Stewie"]
        L = sorted(L)
        print(find(L, "Lois"))
    
    8

    False                                                                                                         
    True
    
    3
    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    85
    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    11
    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    87
    Input :  arr[] = {"contribute", "geeks", "ide", "practice"}, x = "ide"
    Output :  2
    The String x is present at index 2.
    
    Input :  arr[] = {"contribute", "geeks", "ide", "practice"}, x = "zz"
    Output :  -1
    The String "zz" is not present. 
    1______72

    False                                                                                                         
    True
    
    3
    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    98
    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    11
    Input :  arr[] = {"contribute", "geeks", "ide", "practice"}, x = "ide"
    Output :  2
    The String x is present at index 2.
    
    Input :  arr[] = {"contribute", "geeks", "ide", "practice"}, x = "zz"
    Output :  -1
    The String "zz" is not present. 
    5

    def find(L, target):
        start = 0
        end = len(L) - 1
    
        while start <= end:
            middle = (start + end)/ 2
            midpoint = L[middle]
            if midpoint > target:
                end = middle - 1
            elif midpoint < target:
                start = middle + 1
            else:
                return midpoint
    
    L = ["Brian", "Joe", "Lois", "Meg", "Peter", "Stewie"] # Needs to be sorted.
    
    print find(L, "Peter")
    
    20
    def find(L, target):
        start = 0
        end = len(L) - 1
    
        while start <= end:
            middle = (start + end)/ 2
            midpoint = L[middle]
            if midpoint > target:
                end = middle - 1
            elif midpoint < target:
                start = middle + 1
            else:
                return midpoint
    
    L = ["Brian", "Joe", "Lois", "Meg", "Peter", "Stewie"] # Needs to be sorted.
    
    print find(L, "Peter")
    
    28
    Input :  arr[] = {"contribute", "geeks", "ide", "practice"}, x = "ide"
    Output :  2
    The String x is present at index 2.
    
    Input :  arr[] = {"contribute", "geeks", "ide", "practice"}, x = "zz"
    Output :  -1
    The String "zz" is not present. 
    5
    Element found at index 2
    2

    def find(L, target):
        start = 0
        end = len(L) - 1
        while start <= end:
            middle = (start + end)// 2
            midpoint = L[middle]
            if midpoint > target:
                end = middle - 1
            elif midpoint < target:
                start = middle + 1
            else:
                return midpoint
    
        L = ["Brian", "Joe", "Lois", "Meg", "Peter", "Stewie"]
        L = sorted(L)
        print(find(L, "Lois"))
    
    11
    def find(L, target):
        start = 0
        end = len(L) - 1
        while start <= end:
            middle = (start + end)// 2
            midpoint = L[middle]
            if midpoint > target:
                end = middle - 1
            elif midpoint < target:
                start = middle + 1
            else:
                return midpoint
    
        L = ["Brian", "Joe", "Lois", "Meg", "Peter", "Stewie"]
        L = sorted(L)
        print(find(L, "Lois"))
    
    12___

    def find(L, target):
        start = 0
        end = len(L) - 1
    
        while start <= end: 
            middle = (start + end)// 2 
            midpoint = L[middle]
            if midpoint > target:
                end = midpoint - 1
            elif midpoint < target:
                start = midpoint + 1
            else:
                return midpoint
    
    8
    def find(L, target):
        start = 0
        end = len(L) - 1
    
        while start <= end: 
            middle = (start + end)// 2 
            midpoint = L[middle]
            if midpoint > target:
                end = midpoint - 1
            elif midpoint < target:
                start = midpoint + 1
            else:
                return midpoint
    
    15
    def find(L, target):
        start = 0
        end = len(L) - 1
        while start <= end:
            middle = (start + end)// 2
            midpoint = L[middle]
            if midpoint > target:
                end = middle - 1
            elif midpoint < target:
                start = middle + 1
            else:
                return midpoint
    
        L = ["Brian", "Joe", "Lois", "Meg", "Peter", "Stewie"]
        L = sorted(L)
        print(find(L, "Lois"))
    
    11
    def find(L, target):
        start = 0
        end = len(L) - 1
        while start <= end:
            middle = (start + end)// 2
            midpoint = L[middle]
            if midpoint > target:
                end = middle - 1
            elif midpoint < target:
                start = middle + 1
            else:
                return midpoint
    
        L = ["Brian", "Joe", "Lois", "Meg", "Peter", "Stewie"]
        L = sorted(L)
        print(find(L, "Lois"))
    
    20

    False                                                                                                         
    True
    
    3
    def find(L, target):
        start = 0
        end = len(L) - 1
    
        while start <= end: 
            middle = (start + end)// 2 
            midpoint = L[middle]
            if midpoint > target:
                end = midpoint - 1
            elif midpoint < target:
                start = midpoint + 1
            else:
                return midpoint
    
    14
    def find(L, target):
        start = 0
        end = len(L) - 1
    
        while start <= end: 
            middle = (start + end)// 2 
            midpoint = L[middle]
            if midpoint > target:
                end = midpoint - 1
            elif midpoint < target:
                start = midpoint + 1
            else:
                return midpoint
    
    15#include4#include5

    def find(L, target):
        start = 0
        end = len(L) - 1
        while start <= end:
            middle = (start + end)// 2
            midpoint = L[middle]
            if midpoint > target:
                end = middle - 1
            elif midpoint < target:
                start = middle + 1
            else:
                return midpoint
    
        L = ["Brian", "Joe", "Lois", "Meg", "Peter", "Stewie"]
        L = sorted(L)
        print(find(L, "Lois"))
    
    4

    False                                                                                                         
    True
    
    3
    def find(L, target):
        start = 0
        end = len(L) - 1
    
        while start <= end: 
            middle = (start + end)// 2 
            midpoint = L[middle]
            if midpoint > target:
                end = midpoint - 1
            elif midpoint < target:
                start = midpoint + 1
            else:
                return midpoint
    
    14
    def find(L, target):
        start = 0
        end = len(L) - 1
    
        while start <= end: 
            middle = (start + end)// 2 
            midpoint = L[middle]
            if midpoint > target:
                end = midpoint - 1
            elif midpoint < target:
                start = midpoint + 1
            else:
                return midpoint
    
    15
    False                                                                                                         
    True
    
    00
    def find(L, target):
        start = 0
        end = len(L) - 1
        while start <= end:
            middle = (start + end)// 2
            midpoint = L[middle]
            if midpoint > target:
                end = middle - 1
            elif midpoint < target:
                start = middle + 1
            else:
                return midpoint
    
        L = ["Brian", "Joe", "Lois", "Meg", "Peter", "Stewie"]
        L = sorted(L)
        print(find(L, "Lois"))
    
    31

    def find(L, target):
        start = 0
        end = len(L) - 1
    
        while start <= end:
            middle = (start + end)/ 2
            midpoint = L[middle]
            if midpoint > target:
                end = middle - 1
            elif midpoint < target:
                start = middle + 1
            else:
                return midpoint
    
    L = ["Brian", "Joe", "Lois", "Meg", "Peter", "Stewie"] # Needs to be sorted.
    
    print find(L, "Peter")
    
    08
    def find(L, target):
        start = 0
        end = len(L) - 1
        while start <= end:
            middle = (start + end)// 2
            midpoint = L[middle]
            if midpoint > target:
                end = middle - 1
            elif midpoint < target:
                start = middle + 1
            else:
                return midpoint
    
        L = ["Brian", "Joe", "Lois", "Meg", "Peter", "Stewie"]
        L = sorted(L)
        print(find(L, "Lois"))
    
    11#include5

    def find(L, target):
        start = 0
        end = len(L) - 1
        while start <= end:
            middle = (start + end)// 2
            midpoint = L[middle]
            if midpoint > target:
                end = middle - 1
            elif midpoint < target:
                start = middle + 1
            else:
                return midpoint
    
        L = ["Brian", "Joe", "Lois", "Meg", "Peter", "Stewie"]
        L = sorted(L)
        print(find(L, "Lois"))
    
    35

    JavaScript

    def find(L, target):
        start = 0
        end = len(L) - 1
        while start <= end:
            middle = (start + end)// 2
            midpoint = L[middle]
            if midpoint > target:
                end = middle - 1
            elif midpoint < target:
                start = middle + 1
            else:
                return midpoint
    
        L = ["Brian", "Joe", "Lois", "Meg", "Peter", "Stewie"]
        L = sorted(L)
        print(find(L, "Lois"))
    
    36

    def find(L, target):
        start = 0
        end = len(L) - 1
    
        while start <= end:
            middle = (start + end)/ 2
            midpoint = L[middle]
            if midpoint > target:
                end = middle - 1
            elif midpoint < target:
                start = middle + 1
            else:
                return midpoint
    
    L = ["Brian", "Joe", "Lois", "Meg", "Peter", "Stewie"] # Needs to be sorted.
    
    print find(L, "Peter")
    
    16
    def find(L, target):
        start = 0
        end = len(L) - 1
        while start <= end:
            middle = (start + end)// 2
            midpoint = L[middle]
            if midpoint > target:
                end = middle - 1
            elif midpoint < target:
                start = middle + 1
            else:
                return midpoint
    
        L = ["Brian", "Joe", "Lois", "Meg", "Peter", "Stewie"]
        L = sorted(L)
        print(find(L, "Lois"))
    
    38

    False                                                                                                         
    True
    
    9

    False                                                                                                         
    True
    
    3
    def find(L, target):
        start = 0
        end = len(L) - 1
        while start <= end:
            middle = (start + end)// 2
            midpoint = L[middle]
            if midpoint > target:
                end = middle - 1
            elif midpoint < target:
                start = middle + 1
            else:
                return midpoint
    
        L = ["Brian", "Joe", "Lois", "Meg", "Peter", "Stewie"]
        L = sorted(L)
        print(find(L, "Lois"))
    
    41

    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    0
    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    7
    False                                                                                                         
    True
    
    21

    def find(L, target):
        start = 0
        end = len(L) - 1
    
        while start <= end: 
            middle = (start + end)// 2 
            midpoint = L[middle]
            if midpoint > target:
                end = midpoint - 1
            elif midpoint < target:
                start = midpoint + 1
            else:
                return midpoint
    
    1
    def find(L, target):
        start = 0
        end = len(L) - 1
        while start <= end:
            middle = (start + end)// 2
            midpoint = L[middle]
            if midpoint > target:
                end = middle - 1
            elif midpoint < target:
                start = middle + 1
            else:
                return midpoint
    
        L = ["Brian", "Joe", "Lois", "Meg", "Peter", "Stewie"]
        L = sorted(L)
        print(find(L, "Lois"))
    
    46

    def find(L, target):
        start = 0
        end = len(L) - 1
    
        while start <= end: 
            middle = (start + end)// 2 
            midpoint = L[middle]
            if midpoint > target:
                end = midpoint - 1
            elif midpoint < target:
                start = midpoint + 1
            else:
                return midpoint
    
    1
    def find(L, target):
        start = 0
        end = len(L) - 1
        while start <= end:
            middle = (start + end)// 2
            midpoint = L[middle]
            if midpoint > target:
                end = middle - 1
            elif midpoint < target:
                start = middle + 1
            else:
                return midpoint
    
        L = ["Brian", "Joe", "Lois", "Meg", "Peter", "Stewie"]
        L = sorted(L)
        print(find(L, "Lois"))
    
    48

    def find(L, target):
        start = 0
        end = len(L) - 1
    
        while start <= end: 
            middle = (start + end)// 2 
            midpoint = L[middle]
            if midpoint > target:
                end = midpoint - 1
            elif midpoint < target:
                start = midpoint + 1
            else:
                return midpoint
    
    1
    def find(L, target):
        start = 0
        end = len(L) - 1
    
        while start <= end: 
            middle = (start + end)// 2 
            midpoint = L[middle]
            if midpoint > target:
                end = midpoint - 1
            elif midpoint < target:
                start = midpoint + 1
            else:
                return midpoint
    
    8
    def find(L, target):
        start = 0
        end = len(L) - 1
    
        while start <= end:
            middle = (start + end)/ 2
            midpoint = L[middle]
            if midpoint > target:
                end = middle - 1
            elif midpoint < target:
                start = middle + 1
            else:
                return midpoint
    
    L = ["Brian", "Joe", "Lois", "Meg", "Peter", "Stewie"] # Needs to be sorted.
    
    print find(L, "Peter")
    
    4

    def find(L, target):
        start = 0
        end = len(L) - 1
    
        while start <= end:
            middle = (start + end)/ 2
            midpoint = L[middle]
            if midpoint > target:
                end = middle - 1
            elif midpoint < target:
                start = middle + 1
            else:
                return midpoint
    
    L = ["Brian", "Joe", "Lois", "Meg", "Peter", "Stewie"] # Needs to be sorted.
    
    print find(L, "Peter")
    
    5
    def find(L, target):
        start = 0
        end = len(L) - 1
    
        while start <= end:
            middle = (start + end)/ 2
            midpoint = L[middle]
            if midpoint > target:
                end = middle - 1
            elif midpoint < target:
                start = middle + 1
            else:
                return midpoint
    
    L = ["Brian", "Joe", "Lois", "Meg", "Peter", "Stewie"] # Needs to be sorted.
    
    print find(L, "Peter")
    
    6
    def find(L, target):
        start = 0
        end = len(L) - 1
    
        while start <= end:
            middle = (start + end)/ 2
            midpoint = L[middle]
            if midpoint > target:
                end = middle - 1
            elif midpoint < target:
                start = middle + 1
            else:
                return midpoint
    
    L = ["Brian", "Joe", "Lois", "Meg", "Peter", "Stewie"] # Needs to be sorted.
    
    print find(L, "Peter")
    
    7

    def find(L, target):
        start = 0
        end = len(L) - 1
    
        while start <= end: 
            middle = (start + end)// 2 
            midpoint = L[middle]
            if midpoint > target:
                end = midpoint - 1
            elif midpoint < target:
                start = midpoint + 1
            else:
                return midpoint
    
    1
    def find(L, target):
        start = 0
        end = len(L) - 1
    
        while start <= end: 
            middle = (start + end)// 2 
            midpoint = L[middle]
            if midpoint > target:
                end = midpoint - 1
            elif midpoint < target:
                start = midpoint + 1
            else:
                return midpoint
    
    8
    def find(L, target):
        start = 0
        end = len(L) - 1
    
        while start <= end: 
            middle = (start + end)// 2 
            midpoint = L[middle]
            if midpoint > target:
                end = midpoint - 1
            elif midpoint < target:
                start = midpoint + 1
            else:
                return midpoint
    
    58

    def find(L, target):
        start = 0
        end = len(L) - 1
    
        while start <= end:
            middle = (start + end)/ 2
            midpoint = L[middle]
            if midpoint > target:
                end = middle - 1
            elif midpoint < target:
                start = middle + 1
            else:
                return midpoint
    
    L = ["Brian", "Joe", "Lois", "Meg", "Peter", "Stewie"] # Needs to be sorted.
    
    print find(L, "Peter")
    
    5
    def find(L, target):
        start = 0
        end = len(L) - 1
        while start <= end:
            middle = (start + end)// 2
            midpoint = L[middle]
            if midpoint > target:
                end = middle - 1
            elif midpoint < target:
                start = middle + 1
            else:
                return midpoint
    
        L = ["Brian", "Joe", "Lois", "Meg", "Peter", "Stewie"]
        L = sorted(L)
        print(find(L, "Lois"))
    
    2

    def find(L, target):
        start = 0
        end = len(L) - 1
    
        while start <= end: 
            middle = (start + end)// 2 
            midpoint = L[middle]
            if midpoint > target:
                end = midpoint - 1
            elif midpoint < target:
                start = midpoint + 1
            else:
                return midpoint
    
    1
    def find(L, target):
        start = 0
        end = len(L) - 1
        while start <= end:
            middle = (start + end)// 2
            midpoint = L[middle]
            if midpoint > target:
                end = middle - 1
            elif midpoint < target:
                start = middle + 1
            else:
                return midpoint
    
        L = ["Brian", "Joe", "Lois", "Meg", "Peter", "Stewie"]
        L = sorted(L)
        print(find(L, "Lois"))
    
    4

    def find(L, target):
        start = 0
        end = len(L) - 1
    
        while start <= end:
            middle = (start + end)/ 2
            midpoint = L[middle]
            if midpoint > target:
                end = middle - 1
            elif midpoint < target:
                start = middle + 1
            else:
                return midpoint
    
    L = ["Brian", "Joe", "Lois", "Meg", "Peter", "Stewie"] # Needs to be sorted.
    
    print find(L, "Peter")
    
    5
    def find(L, target):
        start = 0
        end = len(L) - 1
        while start <= end:
            middle = (start + end)// 2
            midpoint = L[middle]
            if midpoint > target:
                end = middle - 1
            elif midpoint < target:
                start = middle + 1
            else:
                return midpoint
    
        L = ["Brian", "Joe", "Lois", "Meg", "Peter", "Stewie"]
        L = sorted(L)
        print(find(L, "Lois"))
    
    6

    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    0
    def find(L, target):
        start = 0
        end = len(L) - 1
        while start <= end:
            middle = (start + end)// 2
            midpoint = L[middle]
            if midpoint > target:
                end = middle - 1
            elif midpoint < target:
                start = middle + 1
            else:
                return midpoint
    
        L = ["Brian", "Joe", "Lois", "Meg", "Peter", "Stewie"]
        L = sorted(L)
        print(find(L, "Lois"))
    
    8

    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    0
    def find(L, target):
        start = 0
        end = len(L) - 1
    
        while start <= end:
            middle = (start + end)/ 2
            midpoint = L[middle]
            if midpoint > target:
                end = middle - 1
            elif midpoint < target:
                start = middle + 1
            else:
                return midpoint
    
    L = ["Brian", "Joe", "Lois", "Meg", "Peter", "Stewie"] # Needs to be sorted.
    
    print find(L, "Peter")
    
    6
    def binarySearchOnString(arr, x):
            l = 0
            r = len(arr) - 1
            while (l <= r): 
                m = (l + r) // 2 
                if (arr[m] == x): 
                    return m
                elif (arr[m] < x): 
                    l = m + 1
                else: 
                    r = m - 1
            return -1  #   If element is not found  then it will return -1
        
                
    
    1

    def find(L, target):
        start = 0
        end = len(L) - 1
        while start <= end:
            middle = (start + end)// 2
            midpoint = L[middle]
            if midpoint > target:
                end = middle - 1
            elif midpoint < target:
                start = middle + 1
            else:
                return midpoint
    
        L = ["Brian", "Joe", "Lois", "Meg", "Peter", "Stewie"]
        L = sorted(L)
        print(find(L, "Lois"))
    
    8

    def find(L, target):
        start = 0
        end = len(L) - 1
        while start <= end:
            middle = (start + end)// 2
            midpoint = L[middle]
            if midpoint > target:
                end = middle - 1
            elif midpoint < target:
                start = middle + 1
            else:
                return midpoint
    
        L = ["Brian", "Joe", "Lois", "Meg", "Peter", "Stewie"]
        L = sorted(L)
        print(find(L, "Lois"))
    
    70
    Input :  arr[] = {"contribute", "geeks", "ide", "practice"}, x = "ide"
    Output :  2
    The String x is present at index 2.
    
    Input :  arr[] = {"contribute", "geeks", "ide", "practice"}, x = "zz"
    Output :  -1
    The String "zz" is not present. 
    1
    Input :  arr[] = {"contribute", "geeks", "ide", "practice"}, x = "ide"
    Output :  2
    The String x is present at index 2.
    
    Input :  arr[] = {"contribute", "geeks", "ide", "practice"}, x = "zz"
    Output :  -1
    The String "zz" is not present. 
    2
    Input :  arr[] = {"contribute", "geeks", "ide", "practice"}, x = "ide"
    Output :  2
    The String x is present at index 2.
    
    Input :  arr[] = {"contribute", "geeks", "ide", "practice"}, x = "zz"
    Output :  -1
    The String "zz" is not present. 
    3
    Input :  arr[] = {"contribute", "geeks", "ide", "practice"}, x = "ide"
    Output :  2
    The String x is present at index 2.
    
    Input :  arr[] = {"contribute", "geeks", "ide", "practice"}, x = "zz"
    Output :  -1
    The String "zz" is not present. 
    2
    Input :  arr[] = {"contribute", "geeks", "ide", "practice"}, x = "ide"
    Output :  2
    The String x is present at index 2.
    
    Input :  arr[] = {"contribute", "geeks", "ide", "practice"}, x = "zz"
    Output :  -1
    The String "zz" is not present. 
    5
    Input :  arr[] = {"contribute", "geeks", "ide", "practice"}, x = "ide"
    Output :  2
    The String x is present at index 2.
    
    Input :  arr[] = {"contribute", "geeks", "ide", "practice"}, x = "zz"
    Output :  -1
    The String "zz" is not present. 
    2
    Input :  arr[] = {"contribute", "geeks", "ide", "practice"}, x = "ide"
    Output :  2
    The String x is present at index 2.
    
    Input :  arr[] = {"contribute", "geeks", "ide", "practice"}, x = "zz"
    Output :  -1
    The String "zz" is not present. 
    7
    >>> x = [1, 2, 3, 4]
    >>> k = 2
    >>> x[-2:] + x[:-2]
    [3, 4, 1, 2]
    
    96

    def find(L, target):
        start = 0
        end = len(L) - 1
        while start <= end:
            middle = (start + end)// 2
            midpoint = L[middle]
            if midpoint > target:
                end = middle - 1
            elif midpoint < target:
                start = middle + 1
            else:
                return midpoint
    
        L = ["Brian", "Joe", "Lois", "Meg", "Peter", "Stewie"]
        L = sorted(L)
        print(find(L, "Lois"))
    
    79
    Input :  arr[] = {"contribute", "geeks", "ide", "practice"}, x = "ide"
    Output :  2
    The String x is present at index 2.
    
    Input :  arr[] = {"contribute", "geeks", "ide", "practice"}, x = "zz"
    Output :  -1
    The String "zz" is not present. 
    5
    Element found at index 2
    2

    def find(L, target):
        start = 0
        end = len(L) - 1
        while start <= end:
            middle = (start + end)// 2
            midpoint = L[middle]
            if midpoint > target:
                end = middle - 1
            elif midpoint < target:
                start = middle + 1
            else:
                return midpoint
    
        L = ["Brian", "Joe", "Lois", "Meg", "Peter", "Stewie"]
        L = sorted(L)
        print(find(L, "Lois"))
    
    82

    def find(L, target):
        start = 0
        end = len(L) - 1
    
        while start <= end: 
            middle = (start + end)// 2 
            midpoint = L[middle]
            if midpoint > target:
                end = midpoint - 1
            elif midpoint < target:
                start = midpoint + 1
            else:
                return midpoint
    
    8 #include1

    False                                                                                                         
    True
    
    3
    def find(L, target):
        start = 0
        end = len(L) - 1
        while start <= end:
            middle = (start + end)// 2
            midpoint = L[middle]
            if midpoint > target:
                end = middle - 1
            elif midpoint < target:
                start = middle + 1
            else:
                return midpoint
    
        L = ["Brian", "Joe", "Lois", "Meg", "Peter", "Stewie"]
        L = sorted(L)
        print(find(L, "Lois"))
    
    86
    def find(L, target):
        start = 0
        end = len(L) - 1
        while start <= end:
            middle = (start + end)// 2
            midpoint = L[middle]
            if midpoint > target:
                end = middle - 1
            elif midpoint < target:
                start = middle + 1
            else:
                return midpoint
    
        L = ["Brian", "Joe", "Lois", "Meg", "Peter", "Stewie"]
        L = sorted(L)
        print(find(L, "Lois"))
    
    87#include5

    def find(L, target):
        start = 0
        end = len(L) - 1
        while start <= end:
            middle = (start + end)// 2
            midpoint = L[middle]
            if midpoint > target:
                end = middle - 1
            elif midpoint < target:
                start = middle + 1
            else:
                return midpoint
    
        L = ["Brian", "Joe", "Lois", "Meg", "Peter", "Stewie"]
        L = sorted(L)
        print(find(L, "Lois"))
    
    4

    False                                                                                                         
    True
    
    3
    def find(L, target):
        start = 0
        end = len(L) - 1
        while start <= end:
            middle = (start + end)// 2
            midpoint = L[middle]
            if midpoint > target:
                end = middle - 1
            elif midpoint < target:
                start = middle + 1
            else:
                return midpoint
    
        L = ["Brian", "Joe", "Lois", "Meg", "Peter", "Stewie"]
        L = sorted(L)
        print(find(L, "Lois"))
    
    86
    False                                                                                                         
    True
    
    99

    def find(L, target):
        start = 0
        end = len(L) - 1
        while start <= end:
            middle = (start + end)// 2
            midpoint = L[middle]
            if midpoint > target:
                end = middle - 1
            elif midpoint < target:
                start = middle + 1
            else:
                return midpoint
    
        L = ["Brian", "Joe", "Lois", "Meg", "Peter", "Stewie"]
        L = sorted(L)
        print(find(L, "Lois"))
    
    93______201

    def find(L, target):
        start = 0
        end = len(L) - 1
        while start <= end:
            middle = (start + end)// 2
            midpoint = L[middle]
            if midpoint > target:
                end = middle - 1
            elif midpoint < target:
                start = middle + 1
            else:
                return midpoint
    
        L = ["Brian", "Joe", "Lois", "Meg", "Peter", "Stewie"]
        L = sorted(L)
        print(find(L, "Lois"))
    
    99

    Đầu ra

    Element found at index 2

    Tôi có thể sử dụng tìm kiếm nhị phân trên chuỗi không?

    Tìm kiếm nhị phân đang tìm kiếm kỹ thuật hoạt động bằng cách tìm phần giữa của mảng để tìm phần tử. Đối với mảng chuỗi, thuật toán tìm kiếm nhị phân sẽ vẫn giữ nguyên. Nhưng các so sánh được thực hiện sẽ dựa trên so sánh chuỗi.For array of strings also the binary search algorithm will remain the same. But the comparisons that are made will be based on string comparison.

    Làm thế nào để bạn viết một tìm kiếm nhị phân trong Python?

    Thực hiện tìm kiếm nhị phân trong Python..

    # Phương pháp chức năng tìm kiếm nhị phân lặp đi lặp lại Triển khai Python ..

    # Nó trả về chỉ mục của n trong danh sách đã cho1 nếu có,.

    # khác trả về -1 ..

    def Binary_Search (list1, n):.

    thấp = 0 ..

    cao = len (list1) - 1 ..

    mid = 0 ..

    trong khi thấp

    Có tìm kiếm nhị phân trong Python không?

    Một tìm kiếm nhị phân Python là một thuật toán tìm thấy vị trí của một phần tử trong một mảng được đặt hàng. Tìm kiếm nhị phân liên tục chia một danh sách thành hai nửa. Sau đó, một tìm kiếm so sánh nếu một giá trị cao hơn hoặc thấp hơn giá trị trung bình trong danh sách.. Binary searches repeatedly divide a list into two halves. Then, a search compares if a value is higher or lower than the middle value in the list.

    Tìm kiếm nhị phân trong Python với ví dụ là gì?

    Tìm kiếm nhị phân là một thuật toán tìm kiếm được sử dụng để tìm kiếm một phần tử từ một mảng được sắp xếp. Nó không thể được sử dụng để tìm kiếm từ một mảng chưa được phân loại. Tìm kiếm nhị phân là một thuật toán hiệu quả và tốt hơn so với tìm kiếm tuyến tính về độ phức tạp về thời gian. Độ phức tạp thời gian của tìm kiếm tuyến tính là O (N).a searching algorithm which is used to search an element from a sorted array. It cannot be used to search from an unsorted array. Binary search is an efficient algorithm and is better than linear search in terms of time complexity. The time complexity of linear search is O(n).