Python 面向对象4-继承

#!/usr/bin/env python
# -*- coding:utf-8 -*-
# 作者:Presley
# 邮箱:1209989516@qq.com
# 时间:2018-08-05
# OOP学习2

class SchoolMember(object):
    member_numbers = 0
    def __init__(self,name,age,sex):
        self.name = name
        self.age = age
        self.sex = sex
        self.enroll() #注册
    def enroll(self):
        SchoolMember.member_numbers += 1
        print("The [{0}] school member [{1}] is enrolled!".format(self.member_numbers,self.name))

    def tell(self):
        print("Hello my name is %s"%(self.name))

class Teacher(SchoolMember):
    def __init__(self,name,age,sex,course,salary): #course 课程  ，salary 薪水
        super(Teacher,self).__init__(name,age,sex)#先定义重写父类的name,age,sex这三个值，然后把父类的name,age,sex的值拿过来
        self.course = course
        self.salary = salary
        #SchoolMember.__init__(self,name,age,sex)与super方法一样
    def teaching(self):
        print("Teacher [{0}] is teaching [1]".format(self.name,self.course))

class Student(SchoolMember):
    def __init__(self,name,age,sex,course,tuition): #tuition学费
        super(Student,self).__init__(name,age,sex)
        self.course = course
        self.tuition = tuition
    def pay_tution(self):  #交学费
        print("cao,student [{0}] paying tution [{1}]".format(self.name,self.tuition))

t1 = Teacher("Alex",22,'F',"PY",1000)
t2 = Teacher("Tenglan",25,"N/A","PY",900)

s1 = Student("SanJiang",24,"Female","python",15000)
s2 = Student("BaoAn",23,"F","python",5000)

t1.tell()
t1.teaching()

s1.pay_tution()