Question

def count_evens(values: List[List[int]]) -> List[int]:
"""Return a list of counts of even numbers in each of the inner lists
of values.
  
>>> count_evens([[10, 20, 30]])
[3]
>>> count_evens([[1, 2], [3], [4, 5, 6]])
[1, 0, 2]
"""

Answer 1

from typing import *


def count_evens(values: List[List[int]]) -> List[int]:
    """Return a list of counts of even numbers in each of the inner lists
    of values.

    >>> count_evens([[10, 20, 30]])
    [3]
    >>> count_evens([[1, 2], [3], [4, 5, 6]])
    [1, 0, 2]
    """
    even_counts = []
    for value_list in values:
        count = 0
        for n in value_list:
            if n % 2 == 0:
                count += 1
        even_counts.append(count)
    return even_counts