738.单调递增的数字  代码随想录 Python: 尝试了下写成非string修改的，会复杂一点。 class Solution:def monotoneIncreasingDigits(self, n: int) -> int:str_num = list(str(n))for i in range(len(str_num)-1, 0, -1):if str_num[i-1] > str_