Study Notes (12): 21 days clearance Python (Video Lesson only) - inheritance and multiple inheritance and override the parent class method

Learning immediately: https://edu.csdn.net/course/play/24797/282192?utm_source=blogtoedu

class TestFu: 
    DEF fuleifun (Self): 
        Print ( 'which is the parent class TestFu of [fuleifun] Function') 

    DEF fuleifun2 (Self): 
        Print ( 'which is the parent class TestFu of [fuleifun2] Function') 


class TestFu2: 

    DEF fuleifun (Self): 
        self.x = Print ( 'which is the parent class of TestFu2] [fuleifun function') 

    DEF fuleifunOther (Self): 
        Print ( '[which is] funleifunOther TestFu2 the parent class') 


# inherit parent class function 
class TestZi (TestFu): 
    Pass 


zi and TestZi = () 
zi.fuleifun () 
Print ( '*' * 50) 
'' ' 
multiple inheritance 
multiple inheritance, if multiple parent class have the same function, using inheritance priority class front function 
the same function [fuleifun], [TestFu2] preferably used in the [] function fuleifun 
'' ' 


class TestZi2 (TestFu2, TestFu):
    pass


zi2 = TestZi2()
# TestFu2] [class function call in
zi2.fuleifun () 
# class calls the function [] TestFu 
zi2.fuleifun2 () 
zi2.fuleifunOther () 
Print ( '*' * 50) 
'' ' 
rewritable parent TestFu2] [in] [fuleifunOther function 
' ' 


class TestZi3 (TestFu2): 
    DEF fuleifunOther (Self): 
        Print (' which is a subclass of the parent [rewrite] [TestZi3 TestFu2] in [] function fuleifunOther ') 


zi3 = TestZi3 () 
zi3.fuleifunOther ()

 

1. Use multiple inheritance to inherit priority function in the parent class