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定义管理员类，管理员有属性(name,password)，可以创建学校、创建课程、创建老师
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定义老师类，老师有属性(name,password)，可以添加课程、给学生打分,但发现学生没有购买课程时，不能打分，并给出提示
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定义学生类，学生有属性(name,password)，可以获取当前学校、选择学校、选择课程，但学校没有该课程时，需要提示，并且不能选择该课程
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定义学校类，学校有属性(name,addr)，可以添加课程
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定义课程类，课程有属性(name)，可以添加学生
# 人类 class Person(object): def __init__(self,name,password): self.name = name self.password = password # 管理员类，继承Person class Admin(Person): school_list = [] def __init__(self,name,password): super().__init__(name,password) def create_school(self,school_name,school_addr): school = School(school_name,school_addr) Admin.school_list.append(school) print(f'{self.name} 创建了 {school.name}') return school def create_coures(self,course_name,course_prize): course = Course(course_name,course_prize) print(f'{self.name} 创建了 {course.name}课程') return course def create_teacher(self,teacher_name,teacher_passwd): teacher = Teacher(teacher_name,teacher_passwd) print(f'{self.name} 招聘 {teacher.name}为老师') return teacher # 教师类，继承Person class Teacher(Person): def __init__(self,name,password): super().__init__(name,password) self.courses = list() def add_course(self,course): self.courses.append(course) print(f'{self.name} 增加了 {course.name}') def scoring(self, student,course, grade): print("开始打分") if course in student.courses: print(f'{self.name} 老师给 {student.name} 的{course.name}打了 {grade}分') else: print(f'{self.name}老师发现 学生{student.name} 没有购买{course.name}课程') # 学生类，继承Person class Student(Person): def __init__(self,name,password): super().__init__(name,password) self.courses = list() self.school = '' def get_school_list(self,admin): for i in admin.school_list: print(f'当前学校有{i.name}') def choice_school(self,school): self.school = school print(f'{self.name} 选择了 {school.name}') def choice_course(self,course): if course.name in self.school.courses: self.courses.append(course) course.students.append(self.name) print(f'{self.name} 选择了 {course.name} 课程') else: print(f'{self.school.name} 没有 {course.name} 课程') # 学校类 class School(object): def __init__(self,name,addr): self.name = name self.addr = addr self.courses = list() def add_course(self,course): course_name = course.name self.courses.append(course_name) print(f'{self.name} 学校 增加了 {course_name}课程') # 课程类 class Course(object): def __init__(self,name,prize): self.name = name self.prize = prize self.students = list() def add_student(self,student): self.students.append(student) print(f'{student} 学了 {self.name}课程') # 管理员 admin = Admin('冉宏元','123') # 管理员创建了school bj_school = admin.create_school('北京oldboy教育公司','北京') sz_school = admin.create_school('深圳oldboy教育公司','深圳') sh_school = admin.create_school('上海oldboy教育公司','上海') wh_school = admin.create_school('武汉oldboy教育公司','武汉') # 管理员创建了课程 python = admin.create_coures('Python',21000) linux = admin.create_coures('Linux',18000) go = admin.create_coures('go',16000) # 学校增加课程 '''北京''' bj_school.add_course(python) bj_school.add_course(linux) bj_school.add_course(go) '''上海''' sh_school.add_course(go) sh_school.add_course(python) '''武汉''' wh_school.add_course(linux) '''深圳''' sz_school.add_course(python) sz_school.add_course(go) # 管理员招聘老师 nick = admin.create_teacher('nick','456') tank = admin.create_teacher('tank','789') # 学生 one = Student('张三','123') one.get_school_list(admin) one.choice_school(sh_school) one.choice_course(linux) one.choice_course(python) one.choice_course(go) two = Student('李四','123') two.get_school_list(admin) two.choice_school(wh_school) two.choice_course(linux) two.choice_course(python) two.choice_course(go) # 老师给学生打分 nick.scoring(one,linux,12) # 打印one学生的课程记录 print("打印one学生的课程记录") for i in one.courses: print(i.name) print("打印two学生的课程记录") for i in two.courses: print(i.name) '''打印python课程学习的人''' for i in python.students: print(i) '''打印linux课程学习的人''' for i in linux.students: print(i) '''打印go课程学习的人''' for i in go.students: print(i)