average_of_sequence

def average_of_sequence():

    def recursive_average(count, total_sum):

        number = int(input())

​

        if number == 0:

            return count, total_sum, 0

​

        sub_count, sub_sum, _ = recursive_average(count + 1, total_sum + number)

        return sub_count, sub_sum, sub_sum / sub_count

​

    count, total_sum, average = recursive_average(0, 0)

​

    return count, total_sum, average

​

result = average_of_sequence()

print(f"Количество элементов: {result[0]}")

print(f"Сумма элементов: {result[1]}")

print(f"Среднее значение: {result[2]}")