__author__ = "Yanfeixu"

class School(object):  # object是基类，所有的类都是继承这个--新式类

    def __init__(self,name,addr):

        self.name = name

        self.addr = addr

        self.students =[]

        self.staffs =[]

    def enroll(self,stu_obj):

        print("为学员%s 办理注册手续"%stu_obj.name )

        self.students.append(stu_obj)

    def hire(self,staff_obj):

        self.staffs.append(staff_obj)

        print("雇佣新员工%s" % staff_obj.name)

class SchoolMember(object):

    def __init__(self,name,age,sex):

        self.name = name

        self.age = age

        self.sex = sex

    def tell(self):

        pass

class Teacher(SchoolMember):

    def __init__(self,name,age,sex,salary,course):

        super(Teacher,self).__init__(name,age,sex)

        self.salary = salary

        self.course = course

    def tell(self):

        print('''

        ---- info of Teacher:%s ----

        Name:%s

        Age:%s

        Sex:%s

        Salary:%s

        Course:%s

        '''%(self.name,self.name,self.age,self.sex,self.salary,self.course))

    def teach(self):

        print("%s is teaching course [%s]" %(self.name,self.course))

class Student(SchoolMember):

    def __init__(self,name,age,sex,stu_id,grade):

        super(Student,self).__init__(name,age,sex)

        self.stu_id = stu_id

        self.grade = grade

    def tell(self):

        print('''

        ---- info of Student:%s ----

        Name:%s

        Age:%s

        Sex:%s

        Stu_id:%s

        Grade:%s

        ''' % (self.name, self.name, self.age, self.sex, self.stu_id, self.grade))

    def pay_tuition(self,amount):

        print("%s has paid tution for $%s"% (self.name,amount) )

school = School("老男孩IT","沙河")

t1 = Teacher("Oldboy",56,"MF",200000,"Linux")

t2 = Teacher("Alex",22,"M",3000,"PythonDevOps")

s1 = Student("ChenRonghua",36,"MF",1001,"PythonDevOps")

s2 = Student("徐良伟",19,"M",1002,"Linux")

t1.tell()

s1.tell()

school.hire(t1)

school.enroll(s1)

school.enroll(s2)

print(school.students)

print(school.staffs)

school.staffs[0].teach()

for stu in school.students:

    stu.pay_tuition(5000)

实现的功能如下图所示（可以帮助深入理解类的继承）：