# -*- coding:utf-8 -*-
"""
@author:Levy
@file:Student.py
@time:2018/2/11 001111:03
"""


class Student(object):

    def __init__(self, name, score):
        self.__name = name
        self.__score = score

    def print_score(self):
        print('%s: %s' % (self.name, self.score))

    def get_grade(self):
        if self.score >= 90:
            return 'A'
        elif self.score >= 60:
            return 'B'
        else:
            return 'C'

    def get_name(self):
        return self.__name

    def get_score(self):
        return self.__score

    def set_score(self, score):
        if 0 <= score < 100:
            self.__score = score
        else:
            raise ValueError('illegal param')

    def set_name(self, name):
        self.__name = name


bart = Student('oop', 22)
print(bart.get_score(),bart.get_name())