Even Counter
Even numbers often need to be found quickly, such as when choosing every second item or checking a set of values. Write a function count_evens that takes a list nums and counts how many even numbers it contains. Return that count as an integer.
Примеры
Ввод
[2, 1, 2, 3, 4]Вывод
3Ввод
[2, 2, 0]Вывод
3Ввод
[1, 3, 5]Вывод
0Нужно реализовать
def count_evens(nums: list[int]) -> int:
Теги
listsarray
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1
Input
[2,1,2,3,4]Expected
32
Input
[2,2,0]Expected
33
Input
[1,3,5]Expected
04
Input
[]Expected
05
Input
[7,8,9,10]Expected
26
Input
[2]Expected
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