python类的继承

#!/usr/bin/python
# -*- coding: UTF-8 -*-
"""
#多个字类在概念性上一致的，所以就抽象出一个父类

"""
class Person:
    def say(self):
        print("说话")
class Student(Person):
    def study(self):
        print("学习")
class Teacher(Person):
    def teach(self):
        print("讲课")