Phạm vi biến của Python
Cải thiện bài viết
Lưu bài viết
Thích bài viết
- Độ khó. Cơ bản
- Cập nhật lần cuối. 20 tháng 10 năm 2021
Cải thiện bài viết
Lưu bài viết
Trong Python, biến là nơi chứa các giá trị dữ liệu. Chúng là tham chiếu hoặc con trỏ tới một đối tượng trong bộ nhớ, điều đó có nghĩa là bất cứ khi nào một biến được gán cho một thể hiện, nó sẽ được ánh xạ tới thể hiện đó. Không giống như các ngôn ngữ khác như C/C++/JAVA, Python không được “gõ tĩnh”. Chúng ta không cần khai báo biến trước khi sử dụng hoặc khai báo kiểu của chúng. Một biến được tạo ngay khi chúng ta gán giá trị cho nó lần đầu tiên
Thí dụ.
Python3
# Python program to demonstrate
# variable assignment
I love Geeksforgeeks0
I love Geeksforgeeks1
I love Geeksforgeeks2
I love Geeksforgeeks3
I love Geeksforgeeks5
I love Geeksforgeeks6_______0_______2
I love Geeksforgeeks8
Me too. I love Geeksforgeeks0
Me too. I love Geeksforgeeks1
I love Geeksforgeeks2
Me too. I love Geeksforgeeks3
Me too. I love Geeksforgeeks5
Me too. I love Geeksforgeeks6
Me too. I love Geeksforgeeks5
Me too. I love Geeksforgeeks8
Me too. I love Geeksforgeeks5
Traceback [most recent call last]: File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 13, in f[] File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 3, in f print[s] UnboundLocalError: local variable 's' referenced before assignment0
đầu ra.
45 1456.8 John
Ghi chú. Để biết thêm về các biến bấm vào đây
Phạm vi của biến
Vị trí mà chúng ta có thể tìm thấy một biến và cũng có thể truy cập nó nếu cần được gọi là phạm vi của một biến
Biến toàn cầu và cục bộ
Biến toàn cục là những biến được định nghĩa và khai báo bên ngoài bất kỳ hàm nào và không được chỉ định cho bất kỳ hàm nào. Chúng có thể được sử dụng bởi bất kỳ phần nào của chương trình
Thí dụ.
Python3
Traceback [most recent call last]: File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 13, in f[] File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 3, in f print[s] UnboundLocalError: local variable 's' referenced before assignment1
Traceback [most recent call last]: File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 13, in f[] File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 3, in f print[s] UnboundLocalError: local variable 's' referenced before assignment2
Traceback [most recent call last]: File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 13, in f[] File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 3, in f print[s] UnboundLocalError: local variable 's' referenced before assignment3
Traceback [most recent call last]: File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 13, in f[] File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 3, in f print[s] UnboundLocalError: local variable 's' referenced before assignment4
Me too. I love Geeksforgeeks5
Traceback [most recent call last]: File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 13, in f[] File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 3, in f print[s] UnboundLocalError: local variable 's' referenced before assignment6
Traceback [most recent call last]: File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 13, in f[] File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 3, in f print[s] UnboundLocalError: local variable 's' referenced before assignment8
Traceback [most recent call last]: File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 13, in f[] File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 3, in f print[s] UnboundLocalError: local variable 's' referenced before assignment9_______0_______2
Python is great! Look for Geeksforgeeks Python Section Look for Geeksforgeeks Python Section1
Python is great! Look for Geeksforgeeks Python Section Look for Geeksforgeeks Python Section2
đầu ra.
I love Geeksforgeeks
Bây giờ, giả sử một biến có cùng tên được xác định bên trong phạm vi của hàm thì nó sẽ chỉ in giá trị được cung cấp bên trong hàm chứ không phải giá trị toàn cầu
Python3
Python is great! Look for Geeksforgeeks Python Section Look for Geeksforgeeks Python Section3
Python is great! Look for Geeksforgeeks Python Section Look for Geeksforgeeks Python Section4
Traceback [most recent call last]: File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 13, in f[] File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 3, in f print[s] UnboundLocalError: local variable 's' referenced before assignment2
Traceback [most recent call last]: File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 13, in f[] File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 3, in f print[s] UnboundLocalError: local variable 's' referenced before assignment3
Traceback [most recent call last]: File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 13, in f[] File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 3, in f print[s] UnboundLocalError: local variable 's' referenced before assignment4
Traceback [most recent call last]: File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 13, in f[] File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 3, in f print[s] UnboundLocalError: local variable 's' referenced before assignment9
I love Geeksforgeeks2
global : 1 Inside f[] : 1 global : 1 Inside g[] : 2 global : 1 Inside h[] : 3 global : 30
Traceback [most recent call last]: File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 13, in f[] File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 3, in f print[s] UnboundLocalError: local variable 's' referenced before assignment4
Me too. I love Geeksforgeeks5
Traceback [most recent call last]: File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 13, in f[] File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 3, in f print[s] UnboundLocalError: local variable 's' referenced before assignment6
Traceback [most recent call last]: File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 13, in f[] File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 3, in f print[s] UnboundLocalError: local variable 's' referenced before assignment8
Traceback [most recent call last]: File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 13, in f[] File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 3, in f print[s] UnboundLocalError: local variable 's' referenced before assignment9_______0_______2
Python is great! Look for Geeksforgeeks Python Section Look for Geeksforgeeks Python Section1
Python is great! Look for Geeksforgeeks Python Section Look for Geeksforgeeks Python Section2
Me too. I love Geeksforgeeks5
Traceback [most recent call last]: File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 13, in f[] File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 3, in f print[s] UnboundLocalError: local variable 's' referenced before assignment6
đầu ra.
Biến s được định nghĩa là chuỗi “I love Geeksforgeeks”, trước khi chúng ta gọi hàm f[]. Câu lệnh duy nhất trong hàm f[] là câu lệnh print[s]. Vì không có local s nên giá trị từ global s sẽ được sử dụng
Câu hỏi đặt ra là, điều gì sẽ xảy ra nếu chúng ta thay đổi giá trị của s bên trong hàm f[]?
Python3
Traceback [most recent call last]: File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 13, in f[] File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 3, in f print[s] UnboundLocalError: local variable 's' referenced before assignment2
Traceback [most recent call last]: File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 13, in f[] File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 3, in f print[s] UnboundLocalError: local variable 's' referenced before assignment3
Traceback [most recent call last]: File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 13, in f[] File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 3, in f print[s] UnboundLocalError: local variable 's' referenced before assignment4
Me too. I love Geeksforgeeks5
Traceback [most recent call last]: File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 13, in f[] File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 3, in f print[s] UnboundLocalError: local variable 's' referenced before assignment6
Traceback [most recent call last]: File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 13, in f[] File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 3, in f print[s] UnboundLocalError: local variable 's' referenced before assignment4____56_______9
Traceback [most recent call last]: File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 13, in f[] File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 3, in f print[s] UnboundLocalError: local variable 's' referenced before assignment4
# Python program to demonstrate
1Traceback [most recent call last]: File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 13, in f[] File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 3, in f print[s] UnboundLocalError: local variable 's' referenced before assignment4
Traceback [most recent call last]: File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 13, in f[] File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 3, in f print[s] UnboundLocalError: local variable 's' referenced before assignment9
I love Geeksforgeeks2
global : 1 Inside f[] : 1 global : 1 Inside g[] : 2 global : 1 Inside h[] : 3 global : 30
Traceback [most recent call last]: File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 13, in f[] File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 3, in f print[s] UnboundLocalError: local variable 's' referenced before assignment4
Me too. I love Geeksforgeeks5
Traceback [most recent call last]: File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 13, in f[] File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 3, in f print[s] UnboundLocalError: local variable 's' referenced before assignment6
Traceback [most recent call last]: File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 13, in f[] File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 3, in f print[s] UnboundLocalError: local variable 's' referenced before assignment8
Traceback [most recent call last]: File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 13, in f[] File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 3, in f print[s] UnboundLocalError: local variable 's' referenced before assignment9_______0_______2
Python is great! Look for Geeksforgeeks Python Section Look for Geeksforgeeks Python Section1
Python is great! Look for Geeksforgeeks Python Section Look for Geeksforgeeks Python Section2
Me too. I love Geeksforgeeks5
Traceback [most recent call last]: File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 13, in f[] File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 3, in f print[s] UnboundLocalError: local variable 's' referenced before assignment6
đầu ra.
Traceback [most recent call last]: File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 13, in f[] File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 3, in f print[s] UnboundLocalError: local variable 's' referenced before assignment
Để làm cho chương trình trên hoạt động, chúng ta cần sử dụng từ khóa toàn cầu. Chúng ta chỉ cần sử dụng từ khóa toàn cầu trong một chức năng nếu chúng ta muốn thực hiện các bài tập/thay đổi chúng. toàn cầu không cần thiết để in và truy cập. Tại sao? . Bất kỳ biến nào được thay đổi hoặc tạo bên trong hàm đều là biến cục bộ, nếu nó chưa được khai báo là biến toàn cục. Để nói với Python rằng chúng ta muốn sử dụng biến toàn cục, chúng ta phải sử dụng từ khóa global, như có thể thấy trong ví dụ sau
Python3
# variable assignment
8
Traceback [most recent call last]: File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 13, in f[] File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 3, in f print[s] UnboundLocalError: local variable 's' referenced before assignment2
0Traceback [most recent call last]: File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 13, in f[] File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 3, in f print[s] UnboundLocalError: local variable 's' referenced before assignment4
2 Traceback [most recent call last]: File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 13, in f[] File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 3, in f print[s] UnboundLocalError: local variable 's' referenced before assignment9
Traceback [most recent call last]: File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 13, in f[] File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 3, in f print[s] UnboundLocalError: local variable 's' referenced before assignment4
Me too. I love Geeksforgeeks5
Traceback [most recent call last]: File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 13, in f[] File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 3, in f print[s] UnboundLocalError: local variable 's' referenced before assignment6
Traceback [most recent call last]: File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 13, in f[] File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 3, in f print[s] UnboundLocalError: local variable 's' referenced before assignment4
Traceback [most recent call last]: File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 13, in f[] File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 3, in f print[s] UnboundLocalError: local variable 's' referenced before assignment9
I love Geeksforgeeks2
I love Geeksforgeeks00
Traceback [most recent call last]: File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 13, in f[] File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 3, in f print[s] UnboundLocalError: local variable 's' referenced before assignment4
Me too. I love Geeksforgeeks5
Traceback [most recent call last]: File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 13, in f[] File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 3, in f print[s] UnboundLocalError: local variable 's' referenced before assignment6
I love Geeksforgeeks05
Traceback [most recent call last]: File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 13, in f[] File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 3, in f print[s] UnboundLocalError: local variable 's' referenced before assignment9_______0_______2
I love Geeksforgeeks08
Python is great! Look for Geeksforgeeks Python Section Look for Geeksforgeeks Python Section2
Me too. I love Geeksforgeeks5
Traceback [most recent call last]: File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 13, in f[] File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 3, in f print[s] UnboundLocalError: local variable 's' referenced before assignment6
đầu ra.
Python is great! Look for Geeksforgeeks Python Section Look for Geeksforgeeks Python Section
Xem xét ví dụ dưới đây để hiểu rõ hơn về chủ đề này.
Python3
# Python program to demonstrate
I love Geeksforgeeks13
I love Geeksforgeeks14
I love Geeksforgeeks2
I love Geeksforgeeks16
I love Geeksforgeeks18
Traceback [most recent call last]: File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 13, in f[] File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 3, in f print[s] UnboundLocalError: local variable 's' referenced before assignment2
0Traceback [most recent call last]: File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 13, in f[] File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 3, in f print[s] UnboundLocalError: local variable 's' referenced before assignment4
Me too. I love Geeksforgeeks5
I love Geeksforgeeks23
I love Geeksforgeeks24
I love Geeksforgeeks25
I love Geeksforgeeks27
Traceback [most recent call last]: File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 13, in f[] File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 3, in f print[s] UnboundLocalError: local variable 's' referenced before assignment2
I love Geeksforgeeks29
Traceback [most recent call last]: File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 13, in f[] File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 3, in f print[s] UnboundLocalError: local variable 's' referenced before assignment4
I love Geeksforgeeks14
I love Geeksforgeeks2
I love Geeksforgeeks33
Traceback [most recent call last]: File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 13, in f[] File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 3, in f print[s] UnboundLocalError: local variable 's' referenced before assignment4
Me too. I love Geeksforgeeks5
I love Geeksforgeeks23
I love Geeksforgeeks37
I love Geeksforgeeks25
I love Geeksforgeeks40
Traceback [most recent call last]: File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 13, in f[] File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 3, in f print[s] UnboundLocalError: local variable 's' referenced before assignment2
I love Geeksforgeeks42
Traceback [most recent call last]: File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 13, in f[] File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 3, in f print[s] UnboundLocalError: local variable 's' referenced before assignment4
2 I love Geeksforgeeks14
Traceback [most recent call last]: File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 13, in f[] File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 3, in f print[s] UnboundLocalError: local variable 's' referenced before assignment4
I love Geeksforgeeks14
I love Geeksforgeeks2
I love Geeksforgeeks49
Traceback [most recent call last]: File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 13, in f[] File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 3, in f print[s] UnboundLocalError: local variable 's' referenced before assignment4
Me too. I love Geeksforgeeks5
I love Geeksforgeeks23
I love Geeksforgeeks53
I love Geeksforgeeks25
Traceback [most recent call last]: File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 13, in f[] File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 3, in f print[s] UnboundLocalError: local variable 's' referenced before assignment8
Me too. I love Geeksforgeeks5
I love Geeksforgeeks23_______0_______59
I love Geeksforgeeks25
Python is great! Look for Geeksforgeeks Python Section Look for Geeksforgeeks Python Section2
Me too. I love Geeksforgeeks5
I love Geeksforgeeks23_______0_______59
I love Geeksforgeeks25
I love Geeksforgeeks66
Me too. I love Geeksforgeeks5
I love Geeksforgeeks23_______0_______59
I love Geeksforgeeks25
I love Geeksforgeeks71
Me too. I love Geeksforgeeks5
I love Geeksforgeeks23_______0_______59
I love Geeksforgeeks25
đầu ra.
global : 1 Inside f[] : 1 global : 1 Inside g[] : 2 global : 1 Inside h[] : 3 global : 3
từ khóa không cục bộ
Trong Python, từ khóa nonlocal được sử dụng trong trường hợp các hàm lồng nhau. Từ khóa này hoạt động tương tự như từ khóa toàn cầu, nhưng thay vì toàn cục, từ khóa này khai báo một biến để trỏ đến biến của hàm bao bên ngoài, trong trường hợp các hàm lồng nhau
Thí dụ.
Python3
# Python program to demonstrate
I love Geeksforgeeks77
Me too. I love Geeksforgeeks5
I love Geeksforgeeks23_______0_______80_______0_______81_______0_______2
I love Geeksforgeeks83
Traceback [most recent call last]: File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 13, in f[] File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 3, in f print[s] UnboundLocalError: local variable 's' referenced before assignment2
I love Geeksforgeeks85
Traceback [most recent call last]: File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 13, in f[] File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 3, in f print[s] UnboundLocalError: local variable 's' referenced before assignment4
I love Geeksforgeeks14
I love Geeksforgeeks2
I love Geeksforgeeks89
Traceback [most recent call last]: File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 13, in f[] File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 3, in f print[s] UnboundLocalError: local variable 's' referenced before assignment4
Traceback [most recent call last]: File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 13, in f[] File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 3, in f print[s] UnboundLocalError: local variable 's' referenced before assignment2
I love Geeksforgeeks92
I love Geeksforgeeks93______0_______94
I love Geeksforgeeks93_______0_______14
I love Geeksforgeeks2
I love Geeksforgeeks98
Traceback [most recent call last]: File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 13, in f[] File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 3, in f print[s] UnboundLocalError: local variable 's' referenced before assignment4
Me too. I love Geeksforgeeks00
Traceback [most recent call last]: File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 13, in f[] File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 3, in f print[s] UnboundLocalError: local variable 's' referenced before assignment4____8_______5
Me too. I love Geeksforgeeks03
Me too. I love Geeksforgeeks05
Me too. I love Geeksforgeeks07
Me too. I love Geeksforgeeks08
Me too. I love Geeksforgeeks09
Me too. I love Geeksforgeeks5
I love Geeksforgeeks23_______8_______12_______0_______81_______0_______2
I love Geeksforgeeks83
Traceback [most recent call last]: File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 13, in f[] File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 3, in f print[s] UnboundLocalError: local variable 's' referenced before assignment2
I love Geeksforgeeks85
Traceback [most recent call last]: File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 13, in f[] File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 3, in f print[s] UnboundLocalError: local variable 's' referenced before assignment4
I love Geeksforgeeks14
I love Geeksforgeeks2
I love Geeksforgeeks89
Traceback [most recent call last]: File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 13, in f[] File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 3, in f print[s] UnboundLocalError: local variable 's' referenced before assignment4
Traceback [most recent call last]: File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 13, in f[] File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 3, in f print[s] UnboundLocalError: local variable 's' referenced before assignment2
I love Geeksforgeeks92
I love Geeksforgeeks93_______0_______14
I love Geeksforgeeks2
I love Geeksforgeeks98
Traceback [most recent call last]: File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 13, in f[] File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 3, in f print[s] UnboundLocalError: local variable 's' referenced before assignment4
Me too. I love Geeksforgeeks00
Traceback [most recent call last]: File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 13, in f[] File "/home/370cac45bae7f1e6096520b7a0edb604.py", line 3, in f print[s] UnboundLocalError: local variable 's' referenced before assignment4____8_______5
Me too. I love Geeksforgeeks03
Me too. I love Geeksforgeeks05
đầu ra.
Value of a using nonlocal is : 10 Value of a without using nonlocal is : 5
Ghi chú cá nhân của tôi arrow_drop_up
Tiết kiệm