学生：
信息：学号，姓名，住址，选课列表
功能：
查看学生所有课程信息
添加课程：将选好的课程添加到课程列表中
课程
信息：课程编号，课程名称，老师
功能：
查看课程的全部信息
设置老师
老师
信息：老师编号，老师姓名，老师电话
要求：创建6个老师，6门课程，30个学生，给每个学生添加三门课
1 from random import randint
2
3 class Stu(object):
4 def __init__(self,id,name,address):
5 self.id = id
6 self.name = name
7 self.address = address
8 self.coures = []
9 def add_coures(self,coures):
10 self.coures.append(coures)
11 def show(self):
12 print("学生：%s选的课程：" %self.name)
13 for i in self.coures:
14 print("课程名：%s" %i.name)
15
16 # def __str__(self):
17 # print("学生：%s选的课程：" % self.name)
18 # for i in self.coures:
19 # print("课程名：%s" % i.name)
20
21
22 class Coures(object):
23 def __init__(self,id,name,teacher=None):
24 self.id = id
25 self.name = name
26 self.teacher = teacher
27 def set_tea(self,teacher):
28 self.teacher = teacher
29 def show_coures(self):
30 if self.teacher:
31 print("%s课的老师是%s" %(self.name,self.teacher))
32 else:
33 print("%s课的老师是%s" % (self.name, "无"))
34
35 class Teacher(object):
36 def __init__(self,id,name,phone):
37 self.id = id
38 self.name = name
39 self.phone = phone
40
41 t1 = Teacher(1,"shuai",1)
42 t2 = Teacher(2,"aoli",2)
43 t3 = Teacher(3,"deng",3)
44 t4 = Teacher(4,"xiang",4)
45 t5 = Teacher(5,"liu",5)
46 t6 = Teacher(6,"chuang",6)
47
48 c1 = Coures(1,"语文",t1)
49 c2 = Coures(2,"数学",t2)
50 c3 = Coures(3,"生物",t3)
51 c4 = Coures(4,"物理",t4)
52 c5 = Coures(5,"化学",t5)
53 c6 = Coures(6,"英语",t6)
54 c_list = [c1,c2,c3,c4,c5,c6]
55 stu_list = []
56 for i in range(30):
57 stu = Stu(i,"stu%s"%i,"这个屯")
58 s = set()
59 while len(s) <3:
60 t = randint(0,5)
61 s.add(t)
62 for i in range(3):
63 stu.add_coures(c_list[list(s)[i]])
64 stu_list.append(stu)
65 for stu in stu_list:
66 stu.show()
