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To: python-list@python.org
From: Dennis Lee Bieber <wlfraed@ix.netcom.com>
Subject: Re: beginner question (True False help)
Date: Fri, 09 Aug 2013 22:58:40 -0400
Organization: IISS Elusive Unicorn
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Xref: csiph.com comp.lang.python:52293

On Fri, 9 Aug 2013 15:27:50 -0700 (PDT), eschneider92@comcast.net declaimed
the following:

>This is what I ended up with btw. Does this insult anyone's more well attuned Python sensibilities?
>
>letters='abcdefghijkl'
>def repeat():
>    print('wanna go again?')
>    batman=input()
>    if batman in ('y','yes'):
>        main()
>    else:
>        return
>def main():
>    print('guess a letter')
>    batman=input()
>    if batman in letters:
>        print('ok that letter was in letters')
>        repeat()
>    else:
>        print('asdasdasd')
>        repeat()
>main()
>print('how ya doin')

	You have recursion: repeat calls main and main calls repeat...
Eventually you may fill the call stack. (I'm presuming Python 3.x -- I
still run 2.x as some of the libraries I most rely upon have not yet been
ported).

	Also the structure

	else:
		return
	<end of procedure>

is equivalent to just

	<end of procedure>


	Let's see... (Untested)
-=-=-=-=-=-
letters='abcdefghijkl'
def main():
	while True:
		ltr = raw_input("Guess a Letter> ")
		if ltr.lower() in letters:
			print "OK, that letter was in 'letters'"
		else:
			print "asda is a UK grocery chain"
		ans = raw_input("Want to try again? ")
		if not ans.lower().startswith("y"): break

if __name__ == "__main__":
	print "How ya doin'"
	main()
-- 
	Wulfraed                 Dennis Lee Bieber         AF6VN
    wlfraed@ix.netcom.com    HTTP://wlfraed.home.netcom.com/