class Student(object):
def __init__(self, name, gender):
self.name = name
self.__gender = gender
def get_gender(self):
return self.__gender
def set_gender(self,gender):
if gender in ('male','female'):
self.__gender=gender
else:
raise ValueError('wrong input')
bart = Student('Bart', 'male')
if bart.get_gender() != 'male':
print('测试失败!')
bart.set_gender('female')
if bart.get_gender() != 'female':
print('测试成功!')
测试成功!
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程程wcl
class Student(object):
def __init__(self, name, gender):
self.name = name
self.__gender = gender
def get_gender(self):
return self.__gender
def set_gender(self,gender):
if gender in ('male','female'):
self.__gender=gender
else:
raise ValueError('wrong input')
bart = Student('Bart', 'male')
if bart.get_gender() != 'male':
print('测试失败!')
else:
bart.set_gender('female')
if bart.get_gender() != 'female':
print('测试失败!')
else:
print('测试成功!')