From c79cc4845411209b7ce143ebc4f98adfd969b2b2 Mon Sep 17 00:00:00 2001
From: yff-1996 <tiangong_yff@163.com>
Date: Tue, 15 Jun 2021 16:19:01 +0800
Subject: [PATCH 1/2] =?UTF-8?q?=E6=B7=BB=E5=8A=A00151.=E7=BF=BB=E8=BD=AC?=
 =?UTF-8?q?=E5=AD=97=E7=AC=A6=E4=B8=B2=E9=87=8C=E7=9A=84=E5=8D=95=E8=AF=8D?=
 =?UTF-8?q?=20Python=E7=89=88=E6=9C=AC?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 problems/0151.翻转字符串里的单词.md | 51 ++++++++++++++++++++
 1 file changed, 51 insertions(+)

diff --git a/problems/0151.翻转字符串里的单词.md b/problems/0151.翻转字符串里的单词.md
index d76734e4..a174d550 100644
--- a/problems/0151.翻转字符串里的单词.md
+++ b/problems/0151.翻转字符串里的单词.md
@@ -318,6 +318,57 @@ class Solution {
 
 Python：
 
+```Python3
+class Solution:
+  #1.去除多余的空格
+        def trim_spaces(self,s):     
+            n=len(s)
+            left=0
+            right=n-1
+        
+            while left<=right and s[left]==' ':       #去除开头的空格
+                left+=1
+            while left<=right and s[right]==' ':        #去除结尾的空格
+                right=right-1
+            tmp=[]
+            while left<=right:                                    #去除单词中间多余的空格
+                if s[left]!=' ':
+                    tmp.append(s[left])
+                elif tmp[-1]!=' ':                                  #当前位置是空格，但是相邻的上一个位置不是空格，则该空格是合理的
+                    tmp.append(s[left])
+                left+=1
+            return tmp
+#2.翻转字符数组
+        def reverse_string(self,nums,left,right):
+            while left<right:
+                nums[left], nums[right]=nums[right],nums[left]
+                left+=1
+                right-=1
+            return None
+#3.翻转每个单词
+        def reverse_each_word(self, nums):
+            start=0
+            end=0
+            n=len(nums)
+            while start<n:
+                while end<n and nums[end]!=' ':
+                    end+=1
+                self.reverse_string(nums,start,end-1)
+                start=end+1
+                end+=1
+            return None
+
+#4.翻转字符串里的单词
+        def reverseWords(self, s): #测试用例："the sky is blue
+            l = self.trim_spaces(s)                     #输出："the sky is blue"
+            self.reverse_string( l,  0, len(l) - 1)  #输出："blue is sky the"
+            self.reverse_each_word(l)              #输出："blue is sky the"
+            return ''.join(l)                                 #输出：blue is sky the
+
+
+'''
+
+
 Go：
 
 ```go

From 3a2ab58846f8071e704a0043600f457bfee70277 Mon Sep 17 00:00:00 2001
From: yff-1996 <tiangong_yff@163.com>
Date: Tue, 15 Jun 2021 18:42:59 +0800
Subject: [PATCH 2/2] =?UTF-8?q?=E6=B7=BB=E5=8A=A0151.=E7=BF=BB=E8=BD=AC?=
 =?UTF-8?q?=E5=AD=97=E7=AC=A6=E4=B8=B2=E9=87=8C=E7=9A=84=E5=8D=95=E8=AF=8D?=
 =?UTF-8?q?=20python=E7=89=88=E6=9C=AC?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 problems/0151.翻转字符串里的单词.md | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/problems/0151.翻转字符串里的单词.md b/problems/0151.翻转字符串里的单词.md
index a174d550..c76ff0e1 100644
--- a/problems/0151.翻转字符串里的单词.md
+++ b/problems/0151.翻转字符串里的单词.md
@@ -359,10 +359,10 @@ class Solution:
             return None
 
 #4.翻转字符串里的单词
-        def reverseWords(self, s): #测试用例："the sky is blue
-            l = self.trim_spaces(s)                     #输出："the sky is blue"
-            self.reverse_string( l,  0, len(l) - 1)  #输出："blue is sky the"
-            self.reverse_each_word(l)              #输出："blue is sky the"
+        def reverseWords(self, s): #测试用例："the sky is blue"
+            l = self.trim_spaces(s)                     #输出：['t', 'h', 'e', ' ', 's', 'k', 'y', ' ', 'i', 's', ' ', 'b', 'l', 'u', 'e'
+            self.reverse_string( l,  0, len(l) - 1)   #输出：['e', 'u', 'l', 'b', ' ', 's', 'i', ' ', 'y', 'k', 's', ' ', 'e', 'h', 't']
+            self.reverse_each_word(l)               #输出：['b', 'l', 'u', 'e', ' ', 'i', 's', ' ', 's', 'k', 'y', ' ', 't', 'h', 'e']
             return ''.join(l)                                 #输出：blue is sky the