From 5055e15cd9773ccfa036f8782e70aa00d86732e4 Mon Sep 17 00:00:00 2001
From: shuwen <shuwenlle@foxmail.com>
Date: Fri, 13 Aug 2021 10:45:58 +0800
Subject: [PATCH] =?UTF-8?q?=E6=B7=BB=E5=8A=A0=200383.=E8=B5=8E=E9=87=91?=
 =?UTF-8?q?=E4=BF=A1.md=20Python3=E7=89=88=E6=9C=AC?=
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使用collections.Counter实现
---
 problems/0383.赎金信.md | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/problems/0383.赎金信.md b/problems/0383.赎金信.md
index f2c1685a..d4b73848 100644
--- a/problems/0383.赎金信.md
+++ b/problems/0383.赎金信.md
@@ -209,6 +209,22 @@ class Solution(object):
         return True
 ```
 
+Python写法四：
+
+```python3
+class Solution:
+    def canConstruct(self, ransomNote: str, magazine: str) -> bool:
+        c1 = collections.Counter(ransomNote)
+        c2 = collections.Counter(magazine)
+        x = c1 - c2
+        #x只保留值大于0的符号，当c1里面的符号个数小于c2时，不会被保留
+        #所以x只保留下了，magazine不能表达的
+        if(len(x)==0):
+            return True
+        else:
+            return False
+```
+
 Go：
 
 ```go