剑指Offer 58

1 # -*- coding:utf-8 -*-
2 class Solution:
3     def ReverseSentence(self, s):
4         ary = s.split(‘ ‘)
5         for i in range(len(ary[::-1])):
6             ary[i] = ary[i][::-1]
7             print(ary[i])
8         return " ".join(ary)[::-1]
9         # write code here

 1 # -*- coding:utf-8 -*-
 2 class Solution:
 3     def LeftRotateString(self, s, n):
 4         lens = len(s)
 5         if lens == 0:
 6             return ‘‘
 7         if n > lens:
 8             n = n % lens
 9         t = s[n:] + s[:n]
10         return t
11         # write code here