Python 的类

 1 # -*- coding:utf-8 -*-
 2 
 3 class SchoolMember: 
 4     def __init__(self,name,age): 
 5         self.name = name 
 6         self.age = age 
 7         print ‘init SchoolMember: ‘, self.name, self.age
 8         
 9     def tell(self): 
10         print ‘name:%s; age:%s‘ % (self.name, self.age) 
11         
12         
13 class Teacher(SchoolMember): 
14     def __init__(self,name,age,salary): 
15         # 继承 schoolmember类，name ,age 属性？？？？ 这到底是继承还是重写呢？
16         # 首先，继承了父类，先会在父类的初始化，然后继承过来
17         SchoolMember.__init__(self,name,age) 
18         self.salary = salary 
19         print ‘init Teacher: ‘, self.name 
20         
21     def tell(self): 
22         SchoolMember.tell(self)     # 调用父类的方法
23         print ‘salary: ‘, self.salary 
24         
25         
26 class Student(SchoolMember): 
27     def __init__(self,name,age,marks): 
28         # 也是继承那个
29         SchoolMember.__init__(self,name,age) 
30         self.marks = marks 
31         print ‘init Student: ‘, self.name 
32         
33     def tell(self): 
34         SchoolMember.tell(self) 
35         print ‘marks: ‘, self.marks 
36         
37         
38 if __name__ == "__main__":
39     t = Teacher(‘yanggang‘, 20, 1000)
40     s = Student(‘liming‘, 12, 86) 
41 #    members = [t,s] 
42 #    print
43 #    for member in members: 
44 #      member.tell()