1 # -*- coding:utf-8 -*- 2 import time 3 4 class Person(object): 5 ‘‘‘ 6 定义父类:人 7 属性:姓名,年龄 8 方法:走路(打印:姓名+“正在走路”) 9 ‘‘‘ 10 11 def __init__(self, name, age): 12 self.name = name 13 self.age = age 14 15 def walk(self): 16 print self.name + "正在走路" 17 18 19 class Teacher(Person): 20 ‘‘‘ 21 定义子类:老师 22 属性:上课学生(集合) 23 方法:授课(打印:姓名+“老师正在上课”, 并调用所有上课学生的听课方法) 24 下课(打印:“下课”,并调用所有学生的走路方法) 25 ‘‘‘ 26 # 方法重载(name), 覆盖父类初始值 27 def __init__(self,name,age, students): 28 Person.__init__(self, name, age) 29 self.students = students 30 31 def teach(self): 32 print self.name + "老师正在上课" 33 for i in self.students: 34 i.learn() 35 36 def classover(self): 37 print "下课" 38 for i in self.students: 39 i.walk() 40 41 42 class Student(Person): 43 ‘‘‘ 44 定义子类:学生 45 属性:学号 46 方法:听课(打印:姓名+学号+“正在听课”) 47 ‘‘‘ 48 def __init__(self, name,age, studentID): 49 Person.__init__(self, name, age) 50 self.studentID = studentID 51 52 def learn(self): 53 print self.name + str(self.studentID) + "正在听课" 54 55 56 if __name__ == "__main__": 57 58 # 实例化一个老师、三个学生,然后模拟老师授课,老师下课的情景 59 studentlist = [Student("A", 20, 07150200), Student("B", 21, 07150232), Student("C", 19, 07150266)] 60 teacher = Teacher("PZJ", 20, studentlist) 61 teacher.teach() 62 print ‘-‘ * 10, "等待下课",‘-‘*10 63 time.sleep(5) 64 teacher.classover()