code: def do_join(self, cmdargs, nick, msgtype, send, c):
          
          if not cmdargs:
              send("Join what?")
              return
          if cmdargs == '0':
              send("I'm sorry, Dave. I'm afraid I can't do that.")
              return
          if not cmdargs.startswith(('#', '+', '@')):
              cmdargs = '#' + cmdargs
          cmd = cmdargs.split()
          # FIXME: use argparse
          if cmd[0] in self.channels and not (len(cmd) > 1 and cmd[1] == "force"):
              send("%s is already a member of %s" % (self.config['core']['nick'], cmd[0]))
              return
          c.join(cmd[0])
          self.send(cmd[0], nick, "Joined at the request of " + nick, msgtype)
docs: Join a channel.
  
          | Checks if bot is already joined to channel.