http://www.perlmonks.org?node_id=474664


in reply to I've played solitaire with physical cards within the last:

I'm using Solitaire (Klondike and variations) to teach my son (at 5) sequences and rules and the impact of rule changes. He likes the computer better (PySol on FreeBSD rocks!), but patience is not one of his virtues yet, so out come the cards.