"Python" inheritance, multiple inheritance

1) Inheritance

Base class Baseclass:def __init__ (self,name,age): self.name = name Self.age = Age print "BaseClass I  S inited "Def speak (Self,name): print" base class is speak:%s "%name if __name__ = =" __main__ ": b = BaseClass ()

 derived class Import basemodelclass subclass (Basemodel.baseclass):     def __init__ (self,name,age,salary):         basemodel.baseclass.__init__ (self,name,age)    Call the function of the base class, need to add the class name          self.salary = salary        print  "Subclass  is inited and salary is:%s " %self.salary             def talk (SELF,STH):         print  "%s talking %s"   % (self,name,sth)          basemodel.baseclass.speak (SELF,STH)         if __name__  ==  "__main__":     s = subclass (' John ', 1,800)      S.talk ("A story") 

In the example above, the __init__ method is redefined in the derived class and, if not defined, by default calls the constructor inside the base class.

2) Multiple Inheritance

Multiple Inheritance Algorithm Class D (object): Def foo (self): print "Class D" class B (d): Pass class C (d): def foo (s ELF): Print "Class C" Class A (B, c): Pass F = A () F.foo () The result of the new class is Class C (a--b--c-d-object); the old class result is CLA SS D (A-b-d-c--object);

This article from "Kong Love to Eat fish" blog, declined reprint!

"Python" inheritance, multiple inheritance