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Groups > comp.lang.python > #44865

Re: First python program, syntax error in while loop

From Dennis Lee Bieber <wlfraed@ix.netcom.com>
Subject Re: First python program, syntax error in while loop
Date 2013-05-06 20:16 -0400
Organization > Bestiaria Support Staff <
References (2 earlier) <auil2vFijo4U1@mid.individual.net> <km178n$5mn$1@reader1.panix.com> <aupkmcF2mv6U4@mid.individual.net> <mailman.1360.1367843880.3114.python-list@python.org> <roy-76F87B.09084406052013@news.panix.com>
Newsgroups comp.lang.python
Message-ID <mailman.1392.1367885833.3114.python-list@python.org> (permalink)

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On Mon, 06 May 2013 09:08:44 -0400, Roy Smith <roy@panix.com> declaimed
the following in gmane.comp.python.general:

> 
> In this case, however, I have no problem with the extra parens.  Look at 
> these two statements:
> 
> >> while (number != guess) and (tries < 5):
> >> while number != guess and tries < 5:
> 
> They have the same meaning.  To correctly interpret the second one, you 
> need to know that != and < bind tighter than "and". One could say that 
> you should know that, and maybe you would be right.
>
	If there were a chance of confusion, I'd probably have written it

	while (number != guess
			and tries < 5) :

(yes, a deliberate line break, not a news reader line wrap)
-- 
	Wulfraed                 Dennis Lee Bieber         AF6VN
        wlfraed@ix.netcom.com    HTTP://wlfraed.home.netcom.com/

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Thread

First python program, syntax error in while loop ryankoch38@gmail.com - 2013-05-03 10:18 -0700
  Re: First python program, syntax error in while loop John Gordon <gordon@panix.com> - 2013-05-03 17:27 +0000
  Re: First python program, syntax error in while loop Chris “Kwpolska” Warrick <kwpolska@gmail.com> - 2013-05-03 19:26 +0200
    Re: First python program, syntax error in while loop John Gordon <gordon@panix.com> - 2013-05-03 17:37 +0000
  Re: First python program, syntax error in while loop MRAB <python@mrabarnett.plus.com> - 2013-05-03 18:36 +0100
  Re: First python program, syntax error in while loop Zachary Ware <zachary.ware+pylist@gmail.com> - 2013-05-03 12:37 -0500
  Re: First python program, syntax error in while loop ryankoch38@gmail.com - 2013-05-03 10:57 -0700
    Re: First python program, syntax error in while loop John Gordon <gordon@panix.com> - 2013-05-03 18:21 +0000
      Re: First python program, syntax error in while loop ryankoch38@gmail.com - 2013-05-03 11:34 -0700
  Re: First python program, syntax error in while loop ryankoch38@gmail.com - 2013-05-03 12:52 -0700
    Re: First python program, syntax error in while loop John Gordon <gordon@panix.com> - 2013-05-03 20:04 +0000
  Re: First python program, syntax error in while loop ryankoch38@gmail.com - 2013-05-03 13:15 -0700
    Re: First python program, syntax error in while loop Neil Cerutti <neilc@norwich.edu> - 2013-05-03 20:30 +0000
      Re: First python program, syntax error in while loop John Gordon <gordon@panix.com> - 2013-05-03 20:38 +0000
        Re: First python program, syntax error in while loop Neil Cerutti <neilc@norwich.edu> - 2013-05-06 12:06 +0000
          Re: First python program, syntax error in while loop Mark Lawrence <breamoreboy@yahoo.co.uk> - 2013-05-06 13:37 +0100
            Re: First python program, syntax error in while loop Neil Cerutti <neilc@norwich.edu> - 2013-05-06 13:07 +0000
            Re: First python program, syntax error in while loop Roy Smith <roy@panix.com> - 2013-05-06 09:08 -0400
              Re: First python program, syntax error in while loop rusi <rustompmody@gmail.com> - 2013-05-06 06:36 -0700
              Re: First python program, syntax error in while loop Chris Angelico <rosuav@gmail.com> - 2013-05-06 23:37 +1000
                Re: First python program, syntax error in while loop roy@panix.com (Roy Smith) - 2013-05-06 11:31 -0400
                Re: First python program, syntax error in while loop Terry Jan Reedy <tjreedy@udel.edu> - 2013-05-06 16:11 -0400
                Re: First python program, syntax error in while loop Chris Angelico <rosuav@gmail.com> - 2013-05-07 07:50 +1000
              Re: First python program, syntax error in while loop Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2013-05-06 20:16 -0400
            Re: First python program, syntax error in while loop alex23 <wuwei23@gmail.com> - 2013-05-06 17:17 -0700
              Re: First python program, syntax error in while loop Roy Smith <roy@panix.com> - 2013-05-06 20:18 -0400
              Re: First python program, syntax error in while loop Dan Sommers <dan@tombstonezero.net> - 2013-05-07 05:03 +0000
              Re: First python program, syntax error in while loop Mark Lawrence <breamoreboy@yahoo.co.uk> - 2013-05-07 07:10 +0100
              Re: First python program, syntax error in while loop Chris Angelico <rosuav@gmail.com> - 2013-05-07 19:19 +1000

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