From 830381313abb85357f180f6315e0e1c28c63c01d Mon Sep 17 00:00:00 2001
From: tw2665 <55668073+tw2665@users.noreply.github.com>
Date: Tue, 18 May 2021 15:53:09 -0400
Subject: [PATCH] =?UTF-8?q?Update=200383.=E8=B5=8E=E9=87=91=E4=BF=A1.md?=
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---
 problems/0383.赎金信.md | 29 ++++++++++++++++++++++++++++-
 1 file changed, 28 insertions(+), 1 deletion(-)

diff --git a/problems/0383.赎金信.md b/problems/0383.赎金信.md
index 2f7ae4d8..527945fa 100644
--- a/problems/0383.赎金信.md
+++ b/problems/0383.赎金信.md
@@ -136,7 +136,34 @@ class Solution {
 ```
 
 Python：
-
+```
+class Solution(object):
+    def canConstruct(self, ransomNote, magazine):
+        """
+        :type ransomNote: str
+        :type magazine: str
+        :rtype: bool
+        """
+        
+        # use a dict to store the number of letter occurance in ransomNote
+        hashmap = dict()
+        for s in ransomNote:
+            if s in hashmap:
+                hashmap[s] += 1
+            else:
+                hashmap[s] = 1
+        
+        # check if the letter we need can be found in magazine
+        for l in magazine:
+            if l in hashmap:
+                hashmap[l] -= 1
+        
+        for key in hashmap:
+            if hashmap[key] > 0:
+                return False
+        
+        return True
+```
 
 Go：