You can extend, you don't need to iterate over payload: final_payload.extend(payload). Not sure you want final_payload.append(len(payload)) ... ... <看更多>

bytearray.extend lacks overflow check when increasing buffer #71694 ... However, I believe it is theoretical at most with stuff that Python supports that it ... ... <看更多>

In this Python tutorial, we will go an example of using append vs. extend with list items. ... <看更多>

:rtype: bytes """ frame_content = bytearray([self._slave_address, self._command_id, len(self._data)]) + bytearray(self._data) frame_content.append(self. ... <看更多>