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 = 35sum 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)python list sum
To get the sum of a list in python, you just call the built in sum() function.
An example:
>>> lst = [3, 7, 1, 9, 4]
>>> sum(lst)
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