One more note: I used round parenthesis in the diagrams above to indicate intervals. If you think about it a bit, you'll realize I should be using square brackets in some places, or make some distinctive graphic. Open and closed circles, perhaps?
Otherwise, there are tiny pinpoint gaps in the case analysis where things leak through. You want the case analysis to be watertight, not like a sieve. :P _______________________________________________ Tutor maillist - Tutor@python.org To unsubscribe or change subscription options: https://mail.python.org/mailman/listinfo/tutor
