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!")