code: def wrap_connection(func_, *args, **kwargs):
      
      if not args[-1]:
          new_args = list(args)
          new_args[-1] = connect()
          args = tuple(new_args)
      return func_(*args, **kwargs)
docs: conn (connection) must be the last positional argument
      in all wrapped functions
  
      :param func_: <function> to call
      :param args:  <tuple> positional arguments
      :param kwargs: <dict> keyword arguments
      :return: