class Student(object):
def __init__(self, name, score):
self.name = name
self.score = score
def get_grade(self):
if self.score < 0 or self.score > 100:
raise ValueError
if self.score >= 80:
return 'A'
if self.score >= 60:
return 'B'
return 'C'
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友仔
class Student(object):
def __init__(self, name, score):
self.name = name
self.score = score
def get_grade(self):
if self.score < 0 or self.score > 100:
raise ValueError
if self.score >= 80:
return 'A'
if self.score >= 60:
return 'B'
return 'C'