HackerRank Problem Solving-A very big sum

Problem Statement

solution

import sys

def aVeryBigSum(n, ar):

    sum = 0

    for elem in ar:

        sum += elem

    return sum

n = int(input().strip())

ar = list(map(int, input().strip().split(' ')))

result = aVeryBigSum(n, ar)

print(result)