python学习之面向对象一作业

1、练习上课作业讲解的面向对象代码，明天默写
2、基于上课作业讲解的面向对象代码，扩写Student类
3、加入序列化与反序列化操作
4、对象之间的关联采用id号
5、可以通过id找到对应的文件，然后从文件中反序列化出执行的学校、班级、课程、学生对象

class School():

    school_name = 'Oldboy'
    def __init__(self,nick_name,address):
        self.nick_name = nick_name
        self.address = address
        self.classes = []

    def related_class(self,class_obj):
        self.classes.append(class_obj)

    def tell_info(self):
        print('='*22+' %s '%self.nick_name+'='*22)
        for class_obj in self.classes:
            class_obj.tell_info()

class Class():

    def __init__(self,name):
        self.name = name
        self.course = None

    def related_course(self,course_obj):
        self.course = course_obj

    def tell_info(self):
        print('%s     '%self.name,end='')
        self.course.tell_info()

class Course():

    def __init__(self,name,period,price):
        self.name = name
        self.period = period
        self.price = price

    def tell_info(self):
        print('<课程名:%s 周期:%s 价格:%s>'%(self.name,self.period,self.price))



class Student():

    def __init__(self,name,age,sex):
        self.name = name
        self.age = age
        self.sex = sex
        self.course = []
        self.class_name = None

    def related_course(self,course_name):
        self.course.append(course_name)
    def related_class(self,class_name):
        self.class_name = class_name

    def tell_info(self):
        print('='*20+' 学生信息 '+'='*20)
        print('姓名:%s 年龄:%s 性别:%s 班级:%s'%(
            self.name,self.age,self.sex,self.class_name
        ))
        print('课程信息:')
        for course in self.course:
            course.tell_info()

cour1 = Course('python开发','6 months','20000')
cour2 = Course('linux运维','6 months','18000')

class1 = Class('python14期')
class1.related_course(cour1)
class2 = Class('python 9期')
class2.related_course(cour1)
class3 = Class('linux 25期')
class3.related_course(cour2)

sch1 = School('老男孩魔都校区','上海')
sch1.related_class(class1)
sch1.related_class(class3)
sch2 = School('老男孩帝都校区','北京')
sch2.related_class(class2)

stu1 = Student('vincent','18','male')
stu1.related_class(class1.name)
stu1.related_course(cour1)
stu1.related_course(cour2)
stu1.tell_info()