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    4/8

    import uuid
    import pickle

    class Course:
        def __init__(self, name, period, price):
            self.name = name
            self.period = period
            self.price = price
            self.uuid = uuid.uuid4()

        def tell_course_info(self):
            print(f'课程名:{self.name} 课程周期:{self.period} 课程价格:{self.price}')

        def write_info(self):
            with open(f'{self.uuid}.pick', mode='wb') as f:
                pickle.dump(self, f)


    class Class:
        def __init__(self, name):
            self.name = name
            self.course = None
            self.uuid = uuid.uuid4()

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

        def tell_class_info(self):
            # print(f'班级名:{self.name} 课程名:{self.course}')
            print(f'班级名:{self.name} ',end=' ')
            self.course.tell_course_info()

        def write_info(self):
            with open(f'{self.uuid}.pick', mode='wb') as f:
                pickle.dump(self, f)


    class School:
        def __init__(self, nickname, addr):
            self.nickname = nickname
            self.addr = addr
            self.classes = []
            self.uuid = uuid.uuid4()

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

        def tell_class_info(self):
            print(f'校区:{self.nickname} ')
            for class_obj in self.classes:
                class_obj.tell_class_info()

        def write_info(self):
            with open(f'{self.uuid}.pick', mode='wb') as f:
                pickle.dump(self, f)




    school_obj1 = School('魔都校区', '上海')
    school_obj2 = School('帝都校区', '北京')

    class_obj1 = Class('脱产14期')
    class_obj2 = Class('脱产15期')

    course_obj1 = Course('python开发', '6mons', '20000')
    course_obj2 = Course('linux', '5mons', '18000')


    school_obj1.related(class_obj1)
    school_obj2.related(class_obj2)
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  • 原文地址:https://www.cnblogs.com/bailongcaptain/p/12663963.html
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