def add_pipers(self, pipers, *args, **kwargs):
for piper in pipers:<EOL><INDENT>self.add_piper(piper, *args, **kwargs)<EOL><DEDENT>
Adds a sequence of ``Pipers`` instances to the ``Dagger`` in the 
specified order. Takes optional arguments for ``Dagger.add_piper``.

Arguments:

  - pipers(sequence of valid ``add_piper`` arguments) Sequence of 
    ``Pipers`` or valid ``Dagger.add_piper`` arguments to be added to 
    the ``Dagger`` in the left to right order.