code: def write(self, data, report_id=0):
          
  
          if not self._is_open:
              raise HIDException("HIDDevice not open")
  
          write_data = bytearray([report_id]) + bytearray(data)
          cdata = ffi.new("const unsigned char[]", bytes(write_data))
          num_written = hidapi.hid_write(self._device, cdata, len(write_data))
          if num_written < 0:
              raise HIDException("Failed to write to HID device: " + str(num_written))
          else:
              return num_written
docs: Writes data to the HID device on its endpoint.
  
          Parameters:
              data: data to send on the HID endpoint
              report_id: the report ID to use.
  
          Returns:
              The number of bytes written including the report ID.