import unittest class Student(object): def __init__(self, name, score): if not isinstance (score,(int,float)): raise TypeError self.name = name self.score = score def get_grade(self): if self.score > 100 or self.score < 0: raise ValueError if self.score >= 80: return 'A' if self.score >= 60: return 'B' return 'C'
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天命破凰
import unittest class Student(object): def __init__(self, name, score): if not isinstance (score,(int,float)): raise TypeError self.name = name self.score = score def get_grade(self): if self.score > 100 or self.score < 0: raise ValueError if self.score >= 80: return 'A' if self.score >= 60: return 'B' return 'C'