Tính tổng dãy số trong python

Tổng các số trong danh sách được yêu cầu ở mọi nơi. Python cung cấp một hàm sum[] sẵn có để tính tổng các số trong danh sách.  

cú pháp

sum[iterable, start]  
iterable : iterable can be anything list , tuples or dictionaries ,
 but most importantly it should be numbers.
start : this start is added to the sum of 
numbers in the iterable. 
If start is not given in the syntax , it is assumed to be 0.

Có thể có hai cú pháp

sum[a]
a is the list , it adds up all the numbers in the 
list a and takes start to be 0, so returning 
only the sum of the numbers in the list.
sum[a, start]
this returns the sum of the list + start 

Dưới đây là triển khai Python của sum[]

Python3

# Python code to demonstrate the working of 

# sum[]

numbers=

sum[a]
a is the list , it adds up all the numbers in the 
list a and takes start to be 0, so returning 
only the sum of the numbers in the list.
sum[a, start]
this returns the sum of the list + start 

sum[a]
a is the list , it adds up all the numbers in the 
list a and takes start to be 0, so returning 
only the sum of the numbers in the list.
sum[a, start]
this returns the sum of the list + start 

sum[a]
a is the list , it adds up all the numbers in the 
list a and takes start to be 0, so returning 
only the sum of the numbers in the list.
sum[a, start]
this returns the sum of the list + start 

sum[a]
a is the list , it adds up all the numbers in the 
list a and takes start to be 0, so returning 
only the sum of the numbers in the list.
sum[a, start]
this returns the sum of the list + start 

sum[a]
a is the list , it adds up all the numbers in the 
list a and takes start to be 0, so returning 
only the sum of the numbers in the list.
sum[a, start]
this returns the sum of the list + start 

sum[a]
a is the list , it adds up all the numbers in the 
list a and takes start to be 0, so returning 
only the sum of the numbers in the list.
sum[a, start]
this returns the sum of the list + start 

sum[a]
a is the list , it adds up all the numbers in the 
list a and takes start to be 0, so returning 
only the sum of the numbers in the list.
sum[a, start]
this returns the sum of the list + start 

sum[a]
a is the list , it adds up all the numbers in the 
list a and takes start to be 0, so returning 
only the sum of the numbers in the list.
sum[a, start]
this returns the sum of the list + start 

sum[a]
a is the list , it adds up all the numbers in the 
list a and takes start to be 0, so returning 
only the sum of the numbers in the list.
sum[a, start]
this returns the sum of the list + start 

sum[a]
a is the list , it adds up all the numbers in the 
list a and takes start to be 0, so returning 
only the sum of the numbers in the list.
sum[a, start]
this returns the sum of the list + start 

sum[a]
a is the list , it adds up all the numbers in the 
list a and takes start to be 0, so returning 
only the sum of the numbers in the list.
sum[a, start]
this returns the sum of the list + start 

sum[a]
a is the list , it adds up all the numbers in the 
list a and takes start to be 0, so returning 
only the sum of the numbers in the list.
sum[a, start]
this returns the sum of the list + start 

sum[a]
a is the list , it adds up all the numbers in the 
list a and takes start to be 0, so returning 
only the sum of the numbers in the list.
sum[a, start]
this returns the sum of the list + start 

sum[a]
a is the list , it adds up all the numbers in the 
list a and takes start to be 0, so returning 
only the sum of the numbers in the list.
sum[a, start]
this returns the sum of the list + start 

sum[a]
a is the list , it adds up all the numbers in the 
list a and takes start to be 0, so returning 
only the sum of the numbers in the list.
sum[a, start]
this returns the sum of the list + start