python sum items in list code example
Example 1: how to sum all the numbers in a list in python
# to sum all the numbers we use python's sum() function
a = [4,5,89,5,33,2244,56]
a_total = sum(a)
Example 2: how to calculate the sum of a list in python
# Python code to demonstrate the working of
# sum()
numbers = [1,2,3,4,5,1,4,5]
# start parameter is not provided
Sum = sum(numbers)
print(Sum) # result is 25
# start = 10
Sum = sum(numbers, 10)
print(Sum) # result is 10 +25 = 35
Example 3: python sum of list
>>> list = [1, 2, 3]
>>> sum(list)
6