code: def send_message(self,body):
          
          m=Message(to_jid=self.room_jid.bare(),stanza_type="groupchat",body=body)
          self.manager.stream.send(m)
docs: Send a message to the room.
  
          :Parameters:
              - `body`: the message body.
          :Types:
              - `body`: `unicode`