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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def remove(self, item):
 """Remove an attribute value to our object instance. :param str item: Application attribute name :raises: AttributeError """

        if item not in self.__dict__[self.ATTRIBUTES].keys():
            raise AttributeError('%s does not exist' % item)
        delattr(self, item)