Summing elements in a list

Question

Here is my code, I need to sum an undefined number of elements in the list. How to do this?

l = raw_input()
l = l.split(\' \')
l.pop(0)

My

Answer 1

You can use map function and pythons inbuilt sum() function. It simplifies the solution. And reduces the complexity.
a=map(int,raw_input().split())
sum(a)
Done!