code: def do_help(self, arg):
          
          cmds = arg.split()
  
          if cmds:
              func = getattr(self, 'do_{}'.format(cmds[0]))
              if func:
                  _LOGGING.info(func.__doc__)
              else:
                  _LOGGING.error('Command %s not found', cmds[0])
          else:
              _LOGGING.info("Available command list: ")
              for curr_cmd in dir(self.__class__):
                  if curr_cmd.startswith("do_") and not curr_cmd == 'do_test':
                      print(" - ", curr_cmd[3:])
              _LOGGING.info("For help with a command type `help command`")
docs: Help command.
  
          Usage:
              help [command]
          Parameters:
              command: Optional - command name to display detailed help