class Parent1(object):passclass Parent2:passclass Sub1(Parent1):# 括号是被继承的类，称为父类passclass Sub2(Parent1,Parent2): # 一个类可以继承多个类，中间逗号分开pass# Sub1\Sub2,都可以访问父类的功能和属性
print(Sub1.__bases__)
print(Sub2.__bases__)# 返回被实例化的类名
print(Parent1.__bases__)
print(Parent2.__bases__)

class OldboyPeople:school = "Oldboy"def __init__(self,name,age,gender):self.name=nameself.age=ageself.gender=genderclass OldboyStudent(OldboyPeople):def __init__(self,name,age,gender):super(OldboyStudent, self).__init__(name,age,gender)def choose_cour(self):print("%s is choose course"% self.name)class OldboyTeacher(OldboyPeople):def __init__(self,name,age,gender,level,salary):OldboyPeople.__init__(self,name,age,gender)self.level = levelself.salary = salarydef score(self,stu,num):stu.num = numprint("老师%s 给学生 %s 打分%s"% (self.name,stu.name,num))yyh =OldboyStudent("yyh",18,"male")
print(yyh.__dict__)
OldboyStudent.choose_cour(yyh)egon = OldboyTeacher("egon",28,"women",10,"50k")
print(egon.__dict__)egon.score(yyh,99)

#新式类:广度优先查找:obj->A->B->E->C->F->D->G->object
# 经典类:深度优先查找:obj->A->B->E->G->C->F->D
class G:xxx='G'class E(G):xxx='E'passclass F(G):xxx='F'passclass B(E):xxx='B'passclass C(F):xxx='C'passclass D(G):xxx='D'passclass A(B,C,D):xxx='A'passprint(A.mro())

class OldboyPeople:    school = "Oldboy"    def __init__(self,name,age,gender):        self.name=name        self.age =age        self.gender=gender

class OldboyTeacher(OldboyPeople):    def __init__(self,name,age,gender,level,salary):        super(OldboyTeacher,self).__init__(name,age,gender)

        self.level=level        self.salary=salary

tea=OldboyTeacher("egon",18,"male",10,"50k")print(tea.__dict__)