code: def parse_response(self, response, header=None):
          
          response = response.decode(self.encoding)
          if header:
              header = "".join((self.resp_prefix, header, self.resp_header_sep))
              if not response.startswith(header):
                  raise IEC60488.ParsingError('Response header mismatch')
              response = response[len(header):]
          return response.split(self.resp_data_sep)
docs: Parses the response message.
  
          The following graph shows the structure of response messages.
  
          ::
  
                                                          +----------+
                                                       +--+ data sep +<-+
                                                       |  +----------+  |
                                                       |                |
                    +--------+        +------------+   |    +------+    |
                +-->| header +------->+ header sep +---+--->+ data +----+----+
                |   +--------+        +------------+        +------+         |
                |                                                            |
              --+                                         +----------+       +-->
                |                                      +--+ data sep +<-+    |
                |                                      |  +----------+  |    |
                |                                      |                |    |
                |                                      |    +------+    |    |
                +--------------------------------------+--->+ data +----+----+
                                                            +------+