code: def del_pipers(self, pipers, *args, **kwargs):
          
          pipers.reverse()
          for piper in pipers:
              self.del_piper(piper, *args, **kwargs)
docs: Deletes a sequence of ``Pipers`` instances from the ``Dagger`` in the
          reverse of the specified order. Takes optional arguments for 
          ``Dagger.del_piper``.
          
          Arguments:
          
            - pipers (sequence of valid ``del_piper`` arguments) Sequence of 
              ``Pipers`` or valid ``Dagger.del_piper`` arguments to be removed 
              from the ``Dagger`` in the right to left order.