Peter Otten <[EMAIL PROTECTED]> writes: > > while not usrinp.lower() in "yn": > > But note that 'in' performs a substring search and therefore "yn" and "" > would be accepted as valid answers, too.
Oh right, that's a recent change to the language, I think. OK: while not usrinp.lower() in list("yn"): ... -- http://mail.python.org/mailman/listinfo/python-list