how to add all the numbers in a list in python 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: python sum of list

>>> list = [1, 2, 3]
>>> sum(list)
6

Example 3: how to add numbers into a list python

a_list = [1, 2, 3]
integers_to_append = 4.
a_list. append(integers_to_append)
print(a_list)