python基础(5):深入理解 python 中的赋值、引用、拷贝、作用域时间:2023-03-10 07:00:25 http://my.oschina.net/leejun2005/blog/145911 http://www.cnblogs.com/lulipro/p/5060163.html http://www.cnblogs.com/restran/category/331095.html