> What if the user enters "maybe". Sorry, I said the except block i meant the else block of the original posters code.
In both his case and yours the message gets printed. But as Danny pointed out you need the try/except in your case because you are indexing a potentially empty string. The OP didn't have that limitation to deal with. Alan G. > > > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On > Behalf > Of Alan Gauld > Sent: Thursday, June 07, 2007 1:45 AM > To: tutor@python.org > Subject: Re: [Tutor] Engarde program was: i++ > > > > "David Heiser" <[EMAIL PROTECTED]> wrote >> >> def is_yes(question): >> while True: >> try: >> s = raw_input(question).lower()[0] >> if s == 'y': >> return True >> elif s == 'n': >> return False >> except: >> pass ## This traps the condition where a user just >> presses enter >> print '\nplease select y, n, yes, or no\n' > > What value do you think the pass adds over just having > the print statement inside the except block? So far as I can > tell they will both do exactly the same so the pass is > not needed. Or am I missing something here? > > Alan G. > > _______________________________________________ > Tutor maillist - Tutor@python.org > http://mail.python.org/mailman/listinfo/tutor > _______________________________________________ > Tutor maillist - Tutor@python.org > http://mail.python.org/mailman/listinfo/tutor > _______________________________________________ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
