# 557. Reverse Words in a String III https://leetcode.com/problems/reverse-words-in-a-string-iii/ # 思路 1. 注意邊際問題,用count去解決。 ```python= class Solution: def reverseWords(self, s: str) -> str: string="" num=len(s.split(" ")) count=0 for i in s.split(" "): string+=(i[::-1]) count+=1 if num==count: break string+=" " return string ```