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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 remover(self, id_interface):
 """Remove an interface by its identifier. :param id_interface: Interface identifier. :return: None :raise InterfaceNaoExisteError: Interface doesn't exist. :raise InterfaceError: Interface is linked to another interface. :raise InvalidParameterError: The interface identifier is invalid or none. :raise DataBaseError: Networkapi failed to access the database. :raise XMLError: Networkapi failed to generate the XML response. """

        if not is_valid_int_param(id_interface):
            raise InvalidParameterError(
                u'Interface id is invalid or was not informed.')

        url = 'interface/' + str(id_interface) + '/'

        code, xml = self.submit(None, 'DELETE', url)

        return self.response(code, xml)