class Student(object): def init(self, name, score): self.name = name self.score = score def get_grade(self): if self.score >100 or self.score < 0: raise ValueError('invalid value') if self.score >= 80: return 'A' if self.score >= 60: return 'B' return 'C'
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冲浪小白兔
class Student(object): def init(self, name, score): self.name = name self.score = score def get_grade(self): if self.score >100 or self.score < 0: raise ValueError('invalid value') if self.score >= 80: return 'A' if self.score >= 60: return 'B' return 'C'