School(object):
     __init__(self,name,addr):
         self.name=name
         self.addr=addr
         self.students=[]
         self.staffs=[]
     enroll(self,stu_obj):
         self.students.append(stu_obj)
         print(%stu_obj.name)
     hire(self,staff_obj):
         self.staffs.append(staff_obj)
         print(%staff_obj.name)
 SchoolMember(object):
     __init__(self,name,age,sex,hourse_name,hourse_id):
         self.name=name
         self.age=age
         self.sex=sex
         self.hourse_name=hourse_name
         self.hourse_id=hourse_id
     tell(self):
         Teacher(SchoolMember):
     __init__(self,name,age,sex,salary,course,hourse_name,hourse_id):
         super(Teacher,self).__init__(name,age,sex,hourse_name,hourse_id)
         self.salary=salary
         self.course=course
     tell(self):
         print(%(self.name,self.name,self.age,self.sex,self.salary,self.course,self.hourse_name,self.hourse_id))
     teach(self):
         print(%(self.name,self.course))
 Student(SchoolMember):
     __init__(self,name,age,sex,stu_id,grade,hourse_name,hourse_id):
         super(Student,self).__init__(name,age,sex,hourse_name,hourse_id)
         self.stu_id=stu_id
         self.grade=grade
     tell(self):
         print(%(self.name, self.name, self.age, self.sex, self.stu_id, self.grade,self.hourse_name,self.hourse_id))
     pay_tuition(self,amount):
         print(%(self.name,amount))
 school=School(,)
 t1=Teacher(,66,,7000,,,)
 t2=Teacher(,26,,6000,,,)
 s1=Student(,18,,,,,)
 s2=Student(,17,,,,,)
 t1.tell()
 t2.tell()
 s1.tell()
 s2.tell()
 school.hire(t1)
 school.hire(t2)
 school.enroll(s1)
 school.enroll(s2)
 t1.teach()
 t2.teach()
 print(school.students,school.staffs)
 stu school.students:
     stu.pay_tuition(5000)