Given a string, you need to reverse the order of characters in each word within a sentence while still preserving whitespace and initial word order.
Example 1:
Input: "Let‘s take LeetCode contest" Output: "s‘teL ekat edoCteeL tsetnoc"
Note: In the string, each word is separated by single space and there will not be any extra space in the string.
My first solution:
class Solution:
def reverseWords(self, s):
"""
:type s: str
:rtype: str
"""
answer=‘‘
smallstr=‘‘
for c in s:
if c==‘ ‘:
smallstr=smallstr[::-1]
answer=answer+smallstr+‘ ‘
smallstr=‘‘
else:
smallstr=smallstr+c
return answer+smallstr[::-1
A much shorter solution:
class Solution:
def reverseWords(self, s):
"""
:type s: str
:rtype: str
"""
return ‘ ‘.join(i[::-1] for i in s.split(‘ ‘))
[LeetCode&Python] Problem 557. Reverse Words in a String III
原文：https://www.cnblogs.com/chiyeung/p/9712309.html