From 849135f2eb123d4430ffd78f7cdd566310252ba4 Mon Sep 17 00:00:00 2001
From: xuma <ismaxu@163.com>
Date: Sun, 21 Aug 2022 15:46:00 +0800
Subject: [PATCH] =?UTF-8?q?2022/08/21=20=E5=91=A8=E6=97=A5=2015:46:00.12?=
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---
 source/_posts/踩坑日记.md | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)

diff --git a/source/_posts/踩坑日记.md b/source/_posts/踩坑日记.md
index 7b5a0b76..c78f9088 100644
--- a/source/_posts/踩坑日记.md
+++ b/source/_posts/踩坑日记.md
@@ -33,4 +33,33 @@ aside:
     原因: 这是因为numpy版本不对。
     cvxopt使用了MKL，所以应该使用链接到英特尔数学库的版本：Numpy+MKL 其在Numpy中包含所需的dll。
 
+### 3, python的list.append(anotherList)中, anotherList会被连续更新的问题
+
+这是一个深浅拷贝问题
+
+```python
+print("============浅拷贝========")
+a = [1]
+b = ['b']
+b.append(a)
+print('a: ', a)
+print('b: ', b)
+
+a.append(2)
+print('a.append(2)后的a: ', a)
+print('a.append(2)后的b: ', b)
+print()
+
+print("===========深拷贝========")
+c = ['c']
+c.append(a.copy())
+print('a: ', a)
+print('c: ', c)
+
+a.append(3)
+print('a.append(3)后的a: ', a)
+print('a.append(3)后的c: ', c)
+
+```
+
 >未完待续