@CheckiO@Digits Multiplication

def checkio(number: int) -> int:

    str_num = str(number)
    list_num = list(str_num)
    list_num = [int(s) for s in list_num]
    products = 1
    for i in list_num:
        if i != 0:
            products = products * i

    return products


if __name__ == '__main__':
    print('Example:')
    print(checkio(123405))
    
    # These "asserts" using only for self-checking and not necessary for auto-testing
    assert checkio(123405) == 120
    assert checkio(999) == 729
    assert checkio(1000) == 1
    assert checkio(1111) == 1
    print("Coding complete? Click 'Check' to review your tests and earn cool rewards!")