#!/usr/bin/python
#??-*-?coding:utf-8?-*-


class?People:
????def?__init__（self?n?a?s）:
????????self.name?=?n
????????self.age?=?a
????????self.__score?=?s
????????self.print_people（）
????????#?self.__print_people（）???#?私有函數(shù)的作用

????def?print_people（self）:
????????str?=?u‘%s的年齡：%d，成績(jī)?yōu)椋?.2f‘?%?（self.name?self.age?self.__score）
????????print?str

????__print_people?=?print_people


class?Student（People）:
????def?__init__（self?n?a?w）:
????????People.__init__（self?n?a?w）
????????