class Student(object): def __init__(self, name, gender): self.name = name self.__gender = gender def set_gender(self, gender): if gender == 'F' or gender == 'M': self.__gender = gender else: raise ValueError('bad gender') def get_gender(self): return self.__gender Pengchen = Student('Pengchen', 'M') Xiao = Student('Xiao', 'F') print(Pengchen.get_gender()) print(Xiao.get_gender()) Xiao.set_gender('M') print(Xiao.get_gender())
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这是QQ昵称