On Sun, Jul 3, 2011 at 11:07 AM, Chris Rebert <clp2 at rebertia.com> wrote: >>>>> c,d >> ({}, []) > > Nasty typo in your pseudo-interpreter-session there... Whoops! This is what I get for trying to be too smart! >>> c,d ([], []) Thanks for catching that, Chris. :) (another) Chris