From d350a4dd8206f8cae4773d96e0a985e954276fe6 Mon Sep 17 00:00:00 2001
From: Eyjan_Huang <81480748+Eyjan-Huang@users.noreply.github.com>
Date: Mon, 16 Aug 2021 15:42:28 +0800
Subject: [PATCH] =?UTF-8?q?=E6=9B=B4=E6=96=B0=200349.=E4=B8=A4=E4=B8=AA?=
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一行代码解决
---
 problems/0349.两个数组的交集.md | 8 +-------
 1 file changed, 1 insertion(+), 7 deletions(-)

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 29c1c144..2dd52a85 100644
--- a/problems/0349.两个数组的交集.md
+++ b/problems/0349.两个数组的交集.md
@@ -121,13 +121,7 @@ Python：
 ```python
 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 list(result_set)
+        return list(set(nums1) & set(nums2))    # 两个数组线变成集合，求交集后还原为数组
 ```