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)