From 8d797eaa7731221cc7a3ca7aa1ddc134d9c8d0df Mon Sep 17 00:00:00 2001
From: jenliketen <wang.jennifer.1996@gmail.com>
Date: Tue, 25 May 2021 20:14:01 -0400
Subject: [PATCH] =?UTF-8?q?=E6=B7=BB=E5=8A=A00349.=E4=B8=A4=E4=B8=AA?=
 =?UTF-8?q?=E6=95=B0=E7=BB=84=E7=9A=84=E4=BA=A4=E9=9B=86=20python3?=
 =?UTF-8?q?=E7=89=88=E6=9C=AC?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
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---
 problems/0349.两个数组的交集.md | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/problems/0349.两个数组的交集.md b/problems/0349.两个数组的交集.md
index 46e15482..fe019a0a 100644
--- a/problems/0349.两个数组的交集.md
+++ b/problems/0349.两个数组的交集.md
@@ -118,6 +118,17 @@ class Solution {
 ```
 
 Python：
+```python3
+class Solution:
+    def intersection(self, nums1: List[int], nums2: List[int]) -> List[int]:
+        result_set = set()
+        
+        set1 = set(nums1)
+        for num in nums2:
+            if num in set1:
+                result_set.add(num) # set1里出现的nums2元素 存放到结果
+        return result_set
+```
 
 
 Go：