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,new_gender):
if new_gender=='male' or new_gender=='female':
self.__gender=new_gender
else:
raise ValueError('wrong gender')
# 测试:
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!')
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拖延症↘患者
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,new_gender):
if new_gender=='male' or new_gender=='female':
self.__gender=new_gender
else:
raise ValueError('wrong gender')
# 测试:
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!')