Python learning-Inheritance of classes

1 Inheritance:2 #The Python2 Classic class is inherited by depth first, and the new class is inherited by breadth first .3 #Python3 Classic Classes and new classes are inherited by breadth first.4 5 6 7 #Classic Class: class people:8 classPeople (object):#This is a new class, and it's changed when it comes to inheritance.9 Ten     def __init__(self, Name, age): OneSelf.name =name ASelf.age = Age -  -  the     defEat (self): -         Print("%s is eating"%self.name) -  -  +     defTalk (self): -         Print("%s is talking"%self.name) +  A     defSleep (self): at         Print("%s is sleeping"%self.name) -  - #demonstration of multiple inheritance - classRelation (object): -     defmake_friends (self, obj): -         Print("%s is making friends with%s"%(Self.name, obj.name)) inSelf.friends.append (obj)#use obj to connect to another instance -  to #Subclass Inheritance + classMan (People, Relation):#Be sure to have the parent class name in the parentheses, such as people -  the     def __init__(Self, name, age, sex="Mans"): * #people (). __init__ (Self,name, age) The first method of initialization $Super ().__init__(name, age)#Superclass,super function directly inherits all, Super (man, self) ellipsisPanax NotoginsengSelf.sex =Sex -Self.friends = [] the  +     defWorking_hard (self): A         Print("earning money.") the  +     defSleep (self):#Refactoring the methods of the parent class - people.sleep (self) $         Print("mans%s is sleeping"%self.name) $  -  - classWoman (People, Relation): the  -     def __init__(Self,name, age, Sex ="woman"):WuyiSuper ().__init__(name, age) theSelf.sex =Sex -Self.friends = [] Wu  -     defGet_birth (self): About         Print("%s is giving birth to a baby."%self.name) $  -  -P1 = People ("Adam", 26) - p1.eat () A Print("%s is%s years old."%(P1.name, p1.age)) + P1.sleep () the  -M1 = Man ("Alex", 28) $ m1.eat () the M1.working_hard () the M1.sleep () the m1.make_friends (p1) the Print(M1.friends[0].name) -  inW1 = Woman ("Shell", 27) the W1.get_birth () theW1.sleep ()

Python learning-Inheritance of classes