Python练习题：类与对象

﹏ヽ暗。殇╰゛Y 2022-06-06 01:08 347阅读 0赞

**一、题目要求**  
1. 创建 北京 和 上海 两个校区

1.  创建 Linux \\ Python \\ Go 3个课程
2.  创建 北京校区的Python 16期， Go开发第一期，和上海校区的Linux 10期 班级
3.  管理员 创建了 北京校区的 学员 小晴 ，并将其 分配 在了 班级 python 16期
4.  管理员 创建了 讲师 王二 , 并将其分配 给了 班级 python 16期
5.  讲师 王二 创建 了一条 python 16期的 上课纪录 Day6
6.  讲师 王二 为Day6这节课 所有的学员 批了作业 ，小晴得了A, 李雷得了C-, 赵帅得了B
7.  学员李磊 查看了自己所报的所有课程
8.  学员 李磊 在 查看了 自己在 py16期 的 成绩列表 ，然后退出了
9.  学员小晴 给 讲师 王二好评

**二、code**

#Author :ywq
    
    Course_list=[]
    class School(object):
        def __init__(self,school_name):
            self.school_name=school_name
            self.students_list=[]
            self.teachers_list=[]
            global Course_list
        def hire(self,obj):
            self.teachers_list.append(obj.name)
            print('[System Notice]:现在雇佣新员工 %s,welcome!' %obj.name)
    
        def enroll(self,obj):
            self.students_list.append(obj.name)
            print('[System Notice]:学员%s 信息注册成功,ID:%s' %(obj.name,obj.id))
    
    
    class Grade(School):
        def __init__(self,school_name,grade_code,grade_course):
            super(Grade,self).__init__(school_name)
            self.code=grade_code
            self.course=grade_course
            self.members=[]
            Course_list.append(self.course)
            print('[System Notice]:Now, school \'%s\' grade \'%s\' create course \'%s\' ' %(self.school_name,self.code,self.course))
    
        def course_info(self):
            print(''' Syllabus(课程大纲) of %s is : day 1: day 2: day 3: day 4: day 5: '''  %self.course)
    
    
    Python = Grade('BJ',16,'Python')
    Go = Grade('BJ',1,'Go')
    Linux = Grade('SH',10,'Linux')
    
    
    
    class School_member(object):
        def __init__(self,name,age,sex,role):
            self.name=name
            self.age=age
            self.sex=sex
            self.role=role
            self.course_list=[]
            print('-----------My name is %s ,and I am a %s ------------ ' %(self.name,self.role))
    
    stu_num_id=00
    class Students(School_member):
        def __init__(self,name,age,sex,role,course):
            super(Students,self).__init__(name,age,sex,role)
            global stu_num_id
            stu_num_id+=1
            stu_id=course.school_name +'S'+str(course.code)+str(stu_num_id).zfill(2) #保证stu_num_id有两位数，
            #只有一位数时前面填充0，只能对str类型操作
            self.id=stu_id
            self.mark_list={}
        def study(self,course):
            print('------------I come here to learn %s ,ID %s ------------' %(course.course,self.id))
        def pay(self,course):
            print('------------I pay 2000$ for %s ------------' % course.course)
            self.course_list.append(course.course)
        def Praise(self,obj):
            print('------------%s Praise %s:Wonderful! ------------' %(self.name,obj.name))
        def mark_check(self):
            for i in self.mark_list.items():
                print(i)
        def out(self):
            print('[System Notice]:So sadly,the mark of %s was so bad,he(she) opt out at last ' %self.name)
    
    tea_num_id=00
    class Teachers(School_member):
        def __init__(self,name,age,sex,role,course):
            super(Teachers,self).__init__(name,age,sex,role)
            global tea_num_id
            tea_num_id+=1 #保证有两位数，个位数时往前面填充0
            Tea_id=course.school_name +'T'+str(course.code)+str(tea_num_id).zfill(2)
            self.id=Tea_id
        def teach(self,course):
            print('------------I come here to teach guys %s,id %s ------------' %(course.course,self.id))
        def record_mark(self,Date,course,obj,level):
            print('It is %s \'s mark in the Day %s of the course %s : %s' %(obj.name,Date,course.course,level) )
            obj.mark_list['Day'+Date]=level
    
    
    a=Students('小晴',21,'W','student',Python)
    Python.enroll(a)
    a.study(Python)
    a.pay(Python)
    
    b=Students('李雷',22,'M','student',Python)
    Python.enroll(b)
    b.study(Python)
    b.pay(Python)
    
    c=Students('赵帅',23,'M','student',Python)
    Python.enroll(c)
    c.study(Python)
    c.pay(Python)
    
    
    
    t = Teachers('王二',30,'M','teacher',Python)
    Python.hire(t)
    t.teach(Python)
    t.record_mark('6',Python,a,'A')
    t.record_mark('6',Python,c,'B')
    t.record_mark('1',Python,b,'C-')
    t.record_mark('2',Python,b,'C-')
    t.record_mark('3',Python,b,'C-')
    t.record_mark('4',Python,b,'C-')
    t.record_mark('5',Python,b,'C-')
    t.record_mark('6',Python,b,'C-')
    print(b.course_list)  #查看已报名课程
    b.mark_check()  #评分查询
    b.out()
    a.Praise(t)

**三、运行结果：**

[System Notice]:Now, school 'BJ' grade '16' create course 'Python' 
    [System Notice]:Now, school 'BJ' grade '1' create course 'Go' 
    [System Notice]:Now, school 'SH' grade '10' create course 'Linux' 
    -----------My name is 小晴 ,and I am a student ------------ 
    [System Notice]:学员小晴 信息注册成功,ID:BJS1601
    ------------I come here to learn Python ,ID BJS1601 ------------
    ------------I pay 2000$ for Python ------------
    -----------My name is 李雷 ,and I am a student ------------ 
    [System Notice]:学员李雷 信息注册成功,ID:BJS1602
    ------------I come here to learn Python ,ID BJS1602 ------------
    ------------I pay 2000$ for Python ------------
    -----------My name is 赵帅 ,and I am a student ------------ 
    [System Notice]:学员赵帅 信息注册成功,ID:BJS1603
    ------------I come here to learn Python ,ID BJS1603 ------------
    ------------I pay 2000$ for Python ------------
    -----------My name is 王二 ,and I am a teacher ------------ 
    [System Notice]:现在雇佣新员工 王二,welcome!
    ------------I come here to teach guys Python,id BJT1601 ------------
    It is  小晴 's mark in the Day 6 of the course Python : A
    It is  赵帅 's mark in the Day 6 of the course Python : B
    It is  李雷 's mark in the Day 1 of the course Python : C-
    It is  李雷 's mark in the Day 2 of the course Python : C-
    It is  李雷 's mark in the Day 3 of the course Python : C-
    It is  李雷 's mark in the Day 4 of the course Python : C-
    It is  李雷 's mark in the Day 5 of the course Python : C-
    It is  李雷 's mark in the Day 6 of the course Python : C-
    ['Python']
    ('Day5', 'C-')
    ('Day3', 'C-')
    ('Day4', 'C-')
    ('Day1', 'C-')
    ('Day2', 'C-')
    ('Day6', 'C-')
    [System Notice]:So sadly,the mark of 李雷  was so bad,he(she) opt out  at last 
    ------------小晴 Praise 王二:Wonderful! ------------