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()