足球网站模板下载,微官网怎么注册,如何注册一个空壳公司,wordpress4.9+多站点廖雪峰python教程 面向对象编程之访问限制
https://www.liaoxuefeng.com/wiki/1016959663602400/1017496679217440 练习#xff1a; 请把下面的Student对象的gender字段对外隐藏起来#xff0c;用get_gender()和set_gender()代替#xff0c;并检查参数有效性#xff1a;
…廖雪峰python教程 面向对象编程之访问限制
https://www.liaoxuefeng.com/wiki/1016959663602400/1017496679217440 练习 请把下面的Student对象的gender字段对外隐藏起来用get_gender()和set_gender()代替并检查参数有效性
# -*- coding: utf-8 -*-
class Student(object):def __init__(self, name, gender):self.name nameself.__gender genderdef get_gender(self):return self.__genderdef set_gender(self, gender):self.__gendergenderreturn None
# 测试:
bart Student(Bart, male)
if bart.get_gender() ! male:print(测试失败!)
else:bart.set_gender(female)if bart.get_gender() ! female:print(测试失败!)else:print(测试成功!)
