def max_digit(number: int) -> int:
? ? # your code here
? ? nums=[]
? ? for i in str(number):
? ? ? ? nums.append(int(i))
? ? return max(nums)
if __name__ == '__main__':
? ? print("Example:")
? ? print(max_digit(0))
? ? # These "asserts" are used for self-checking and not for an auto-testing
? ? assert max_digit(0) == 0
? ? assert max_digit(52) == 5
? ? assert max_digit(634) == 6
? ? assert max_digit(1) == 1
? ? assert max_digit(10000) == 1
? ? print("Coding complete? Click 'Check' to earn cool rewards!")
