Sum an Array

Return the total of all numbers in the list. An empty list sums to 0.

Implement sum_array(numbers).

Input

numbers: The list of integers.

Output

Return the sum.

Restricciones

0 ≤ length ≤ 100,000; the total fits in a 64-bit integer

Ejemplos

Entrada:
numbers = [1, 2, 3, 4]

Salida esperada:
expected = 10

Entrada:
std::vector<long long> numbers = {1, 2, 3, 4};

Salida esperada:
long long expected = 10;

Entrada:
long[] numbers = new long[] {1, 2, 3, 4};

Salida esperada:
long expected = 10;

Entrada:
numbers = []

Salida esperada:
expected = 0

Entrada:
std::vector<long long> numbers = {};

Salida esperada:
long long expected = 0;

Entrada:
long[] numbers = new long[] {};

Salida esperada:
long expected = 0;

Referencias

Este reto está adaptado para CodeUtility. Sigue el enunciado y las restricciones indicadas arriba.

• GWU CS1111 Introduction to Software Development - lab sequence