From 153cae4cb4baa9cae857c75db9fc629a9ce81fa1 Mon Sep 17 00:00:00 2001
From: ZhaolongLi <0x4f4f4f4f@gmail.com>
Date: Mon, 19 Apr 2021 20:08:43 +0800
Subject: [PATCH] Update python_base.py
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符号从中文改为英文
---
 python_base.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/python_base.py b/python_base.py
index 9b5e605..4368b47 100644
--- a/python_base.py
+++ b/python_base.py
@@ -83,7 +83,7 @@
     t = set("Hello")                             # 创建一个字符的集合,返回{'l', 'H', 'e', 'o'}
     a = t | s;    t.union(s)                     # t 和 s的并集
     b = t & s;    t.intersection(s)              # t 和 s的交集
-    c = t – s;    t.difference(s)                # 求差集(项在t中, 但不在s中)
+    c = t - s;    t.difference(s)                # 求差集(项在t中, 但不在s中)
     d = t ^ s;    t.symmetric_difference(s)      # 对称差集(项在t或s中, 但不会同时出现在二者中)
     t.add('x');   t.remove('H')                  # 增加/删除一个item
     s.update([10,37,42])                         # 利用[......]更新s集合