Even Number Sum
Given a list of integers nums, choose only the even numbers and add them together. If there are no even numbers, or if the list is empty, the sum is 0. Return the final total.
Примеры
Ввод
[1, 2, 3, 4, 5, 6]Вывод
12Ввод
[1, 3, 5]Вывод
0Ввод
[]Вывод
0Нужно реализовать
def sum_even(nums: list[int]) -> int:
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