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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 error_respond(self, error):
 """Create an error response to this request. When processing the request produces an error condition this method can be used to create the error response object. :param error: Specifies what error occurred. :type error: str or Exception :returns: An error response object that can be serialized and sent to the client. :rtype: :py:class:`JSONRPCErrorResponse` """

        if self.unique_id is None:
            return None

        response = JSONRPCErrorResponse()
        response.unique_id = None if self.one_way else self.unique_id

        code, msg, data = _get_code_message_and_data(error)

        response.error = msg
        response._jsonrpc_error_code = code
        if data:
            response.data = data
        return response