#Author:'haijing'
#date:2018/10/29
#对象的封装 *****
#将一个类的对象,封装到,另一个类中的方法中去
class Teacher:
def __init__(self,tea_name,tea_age):
self.teacher_name = tea_name
self.teacher_age = tea_age
self.salary = 2000 #老师的初始工资为2k
class Cource:
def __init__(self,cour_name,cost,