code: def start_tcp_server(self, port):
          
  
          self.__tcp_server.port = port
          if not self.__tcp_server.online:
              if self.__tcp_server.start():
                  self.__engine.notifications_manager.notify(
                      "{0} | TCP Server has started with '{1}' address on '{2}' port!".format(
                          self.__class__.__name__,
                          self.__address,
                          self.__port))
                  return True
          else:
              self.__engine.notifications_manager.warnify(
                  "{0} | TCP Server is already online!".format(self.__class__.__name__))
              return False
docs: Starts the TCP server using given port.
  
          :param port: Port.
          :type port: int
          :return: Method success.
          :rtype: bool