def intercalate_arrays(array_a: list, array_b: list) -> list:
    a = max(len(array_a), len(array_b))
    first_list = list(array_a)
    second_list = list(array_b)
    my_list = []
    for i in range(a):
        if first_list:
            my_list.append(first_list.pop(0))
        if second_list:
            my_list.append(second_list.pop(0))
    return my_list

# No modificar: necesario para evaluar el resultado.
exports = intercalate_arrays