class Student(object): def init(self, name, score): self.name = name self.score = score def get_grade(self): if 60 <= self.score < 80: return 'B' if 80 <= self.score <= 100: return 'A' if 0 <= self.score < 60: return 'C' else: raise ValueError('not normal score')
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守候986
class Student(object): def init(self, name, score): self.name = name self.score = score def get_grade(self): if 60 <= self.score < 80: return 'B' if 80 <= self.score <= 100: return 'A' if 0 <= self.score < 60: return 'C' else: raise ValueError('not normal score')