1classSolution:2#@param s, a string3#@return a string4defreverseWords(self, s):5Length=len(s)6if(Length==0):7return""8elif(Length==1):9if(s[0]==""):10return""11else:12returns13else:14num=s[::-1]15list=""16flag_start=017tmp=""18foriinxrange(Length):19if(num[i]==""...
https://leetcode.com/problems/reverse-words-in-a-string/ 题意分析: 给定一个字符串,里面包括多个单词,将这个字符串的单词翻转,例如"the sky is blue",得到"blue is sky the". 题目思路: 首先获取每个单词,将单词记录到一个数组里面,然后翻转过来就行了。要处理的是前面和后面有空格的情况。 代码(python...
Python Code: # Define a function 'reverse_string_words' that takes a string 'text' as input.# The function splits the input text into lines, reverses the words within each line, and returns the result.defreverse_string_words(text):forlineintext.split('\n'):return(' '.join(line.split...
34. Find 3-5 Letter WordsWrite a Python program to find all three, four, and five character words in a string.Sample Solution:Python Code:import re text = 'The quick brown fox jumps over the lazy dog.' print(re.findall(r"\b\w{3,5}\b", text)) Sample Output:['The', 'quick',...
LeetCodeOJ--Reverse Words in a String(python版本),Givenaninputstring,reversethestringwordbyword.Forexample,Givens="theskyisblue",return"blueisskythe".clicktoshowclarification.Clarification:Whatconstitutes
:Given an input string, reverse the string word by word. For example, Given s = "the sky is blue", return "blue is sky the". Update (2015-02-12): For C programmers: Try to solve itin-placeinO(1) space. click to show clarification. ...
You need to reduce multiple spaces between two words to a single space in the reversed string. Follow up: For C programmers, try to solve it in-place in O(1) space. 题目大意 翻转字符串里面的单词。同时去掉多余的空格。 解题方法 字符串操作直接放弃 C++ ,一般都选择 Python。建议大家刷题的时...
1classSolution:2#@param s, a string3#@return a string4defreverseWords(self, s):5ss = s.split("")6ss = filter(lambdax:x!="",ss)7l =len(ss)8foriinrange(l/2):9ss[i],ss[l-1-i] = ss[l-1-i],ss[i]10s = ("").join(ss)11returns ...
leetcode刷题557 反转字符串中的单词III Reverse Words in a String III(简单) Python 题目大意: 给定一个字符串,你需要反转字符串中每个单词的字符顺序,同时仍保留空格和单词的初始顺序。 示例 1: 输入: "Let's take LeetCode contest" 输出: "s'teL ekat edoCteeL tsetnoc" 注意:在字符串中,每个单词...
这是一个关于Python的LeetCode题解,题目是186号题目:反转字符串中的单词。解题思路: 1. 首先,我们需要将输入的字符串按照空格分割成单词列表。 2. 然后,我们遍历这个单词列表,对于每个单词,我们将其首字母大写,其余字母小写,然后拼接起来,形成一个新的单词。