sum all items in list py 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: sum the contents of a list python
# Sum the contents of a list without the builtin sum function
list = [1,2,3,4,5]
sum = 0
# loop through each position of the list and
# add the contents of each position to the variable, sum
for i in range(len(list)):
sum += list[i]
# result is 1 + 2 + 3 + 4 + 5 = 15
print(sum)