From 3e506df04426ca8937f09f7a8e9ca9955d0d1c7e Mon Sep 17 00:00:00 2001
From: borninfreedom <z19040042@s.upc.edu.cn>
Date: Sun, 13 Jun 2021 10:56:21 +0800
Subject: [PATCH 1/3] =?UTF-8?q?update=E6=9C=89=E6=95=88=E7=9A=84=E5=AD=97?=
 =?UTF-8?q?=E6=AF=8D=E5=BC=82=E4=BD=8D=E8=AF=8D=EF=BC=8Cpython=E4=BB=A3?=
 =?UTF-8?q?=E7=A0=81=E6=B7=BB=E5=8A=A0=E4=BA=86=E6=9B=B4pythonic=E7=9A=84?=
 =?UTF-8?q?=E5=86=99=E6=B3=95?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 problems/0242.有效的字母异位词.md | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/problems/0242.有效的字母异位词.md b/problems/0242.有效的字母异位词.md
index ba942f70..c3e73730 100644
--- a/problems/0242.有效的字母异位词.md
+++ b/problems/0242.有效的字母异位词.md
@@ -130,7 +130,27 @@ class Solution:
         return True
 ```
 
+Python写法二：
+
+```python
+class Solution:
+    def isAnagram(self, s: str, t: str) -> bool:
+        from collections import defaultdict
+        
+        s_dict=defaultdict(int)
+        t_dict=defaultdict(int)
+
+        for x in s:
+            s_dict[x]+=1
+        
+        for x in t:
+            t_dict[x]+=1
+
+        return s_dict==t_dict
+```
+
 Go：
+
 ```go
 func isAnagram(s string, t string) bool {
     if len(s)!=len(t){

From 0d3b8de51227c0c55ace89aa249e0a25377a62be Mon Sep 17 00:00:00 2001
From: borninfreedom <z19040042@s.upc.edu.cn>
Date: Sun, 13 Jun 2021 10:58:05 +0800
Subject: [PATCH 2/3] =?UTF-8?q?=E6=9B=B4=E6=96=B0=E4=BB=A3=E7=A0=81?=
 =?UTF-8?q?=E8=A7=84=E8=8C=83?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 problems/0242.有效的字母异位词.md | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/problems/0242.有效的字母异位词.md b/problems/0242.有效的字母异位词.md
index c3e73730..1956253a 100644
--- a/problems/0242.有效的字母异位词.md
+++ b/problems/0242.有效的字母异位词.md
@@ -137,16 +137,16 @@ class Solution:
     def isAnagram(self, s: str, t: str) -> bool:
         from collections import defaultdict
         
-        s_dict=defaultdict(int)
-        t_dict=defaultdict(int)
+        s_dict = defaultdict(int)
+        t_dict = defaultdict(int)
 
         for x in s:
-            s_dict[x]+=1
+            s_dict[x] += 1
         
         for x in t:
-            t_dict[x]+=1
+            t_dict[x] += 1
 
-        return s_dict==t_dict
+        return s_dict == t_dict
 ```
 
 Go：

From 4993e9ff6bfab26473eeb9b99f07ae544f0afca3 Mon Sep 17 00:00:00 2001
From: borninfreedom <z19040042@s.upc.edu.cn>
Date: Sun, 13 Jun 2021 11:14:21 +0800
Subject: [PATCH 3/3] =?UTF-8?q?=E6=9C=89=E6=95=88=E7=9A=84=E5=AD=97?=
 =?UTF-8?q?=E6=AF=8D=E5=BC=82=E4=BD=8D=E8=AF=8D=E6=B7=BB=E5=8A=A0=E4=B8=80?=
 =?UTF-8?q?=E4=BA=9B=E8=AF=B4=E6=98=8E?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 problems/0242.有效的字母异位词.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/problems/0242.有效的字母异位词.md b/problems/0242.有效的字母异位词.md
index 1956253a..93bba44c 100644
--- a/problems/0242.有效的字母异位词.md
+++ b/problems/0242.有效的字母异位词.md
@@ -130,7 +130,7 @@ class Solution:
         return True
 ```
 
-Python写法二：
+Python写法二（没有使用数组作为哈希表，只是介绍defaultdict这样一种解题思路）：
 
 ```python
 class Solution: