摘要：# coding=utf-8 # Author: RyAn Bi class Animal: def __init__(self,name): self.name = name def talk(self): pass class Cat(Animal): def talk(self): print 阅读全文

摘要：# coding=utf-8 # Author: RyAn Bi class School(object): def __init__(self,name,addr): self.name = name self.addr = addr self.students= [] self.teachers 阅读全文

摘要：# coding=utf-8 # Author: RyAn Bi class People: def __init__(self,name,age): self.name = name self.age = age def talk(self): print('%s is talking'% sel 阅读全文