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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 _append_request_ids(self, resp):
 """Add request_ids as an attribute to the object :param resp: Response object or list of Response objects """

        if isinstance(resp, list):
            # Add list of request_ids if response is of type list.
            for resp_obj in resp:
                self._append_request_id(resp_obj)
        elif resp is not None:
            # Add request_ids if response contains single object.
            self._append_request_id(resp)