def return_min_max(numbers: str):
    if numbers == "":
        return None

    arr = numbers.split()
    min1 = int(arr[0])
    max1 = int(arr[0])

    for n in arr:
        nint = int(n)
        if min1 > nint:
            min1 = nint
        else:
            if max1 < nint:
                max1 = nint

    return min1, max1


def main():
    print('This language is shit')
    #14
    print(pyramid(0))
    print(pyramid(1))
    print(pyramid(2))
    print(pyramid(3))
    print(pyramid(4))

    #18
    print(return_min_max("1 3 23 5"))
    print(return_min_max("-800"))
    print(return_min_max(""))
    print(return_min_max("235 12893132 2 -1247192 423 12 23 14 5178 27 37 47 28 18 467 29 17 57 8 2 754 2 9 92 2"))


if __name__ == '__main__':
    main()