Opp object oriented Encapsulation of objective things into an abstract class Inherited subclass derived classes Base class superclass Object The same method of an instance of a polymorphic class in different forms of representation Principle The function of a single class The principle of opening and closing -- Substitution principle Dependency principle object

Filename	Size	Update
python源代码	0	2018-03-08
python源代码\.DS_Store	6148	2018-03-08
python源代码\3_4.py	453	2018-03-08
python源代码\5_3.py	1537	2018-03-08
python源代码\5_4.py	477	2018-03-08
python源代码\5_5.py	707	2018-03-08
python源代码\5_7.py	485	2018-03-08
python源代码\6_4.py	570	2018-03-08
python源代码\6_5.py	600	2018-03-08
python源代码\7_4.py	3148	2018-03-08
python源代码\7_5.py	3162	2018-03-08
python源代码\8_3.py	770	2018-03-08
python源代码\8_4.py	816	2018-03-08
python源代码\8_5.py	1539	2018-03-08
python源代码\8_6.py	720	2018-03-08

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