类的继承
class People: def __init__(self, name, age): self.name = name self.age = age def sleep(self): print("%s is sleeping" % self.name) class Man(People): def __init__(self, name, age, address): # 调用父类 People.__init__(self,name,age) super(Man, self).__init__(name, age) self.address = address def addre(self): print("address is %s " % self.address) r = Man("miao", 23, "xuancheng") r.addre()创建一个People类,初始化姓名和年龄两个属性和一个sleep方法,创建一个子类Man继承People,并添加了address属性,最后通过r新建一个Man类