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Groups > comp.lang.python > #45319

Re: Differences of "!=" operator behavior in python3 and python2 [ bug? ]

From Dennis Lee Bieber <wlfraed@ix.netcom.com>
Subject Re: Differences of "!=" operator behavior in python3 and python2 [ bug? ]
Date 2013-05-14 22:20 -0400
Organization > Bestiaria Support Staff <
References (5 earlier) <kmrqsa$uf3$1@ger.gmane.org> <mailman.1647.1368487365.3114.python-list@python.org> <5191c71c$0$29978$c3e8da3$5496439d@news.astraweb.com> <mailman.1683.1368572505.3114.python-list@python.org> <5192d3b8$0$29978$c3e8da3$5496439d@news.astraweb.com>
Newsgroups comp.lang.python
Message-ID <mailman.1685.1368584425.3114.python-list@python.org> (permalink)

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On 15 May 2013 00:15:53 GMT, Steven D'Aprano
<steve+comp.lang.python@pearwood.info> declaimed the following in
gmane.comp.python.general:

> On Tue, 14 May 2013 19:01:38 -0400, Dennis Lee Bieber wrote:
> 
> > On 14 May 2013 05:09:48 GMT, Steven D'Aprano
> > <steve+comp.lang.python@pearwood.info> declaimed the following in
> > gmane.comp.python.general:
> 
> >> The <> operator comes from Pascal, where it was used as "not equal"
> >> since
> > 
> > 	I thought it came from BASIC...
> > http://en.wikipedia.org/wiki/Dartmouth_BASIC
> 
> 
> Ah, well apparently BASIC used it earlier, but I don't know whether it 
> was an influence on Pascal (except as "what not to do").

	Algol was the biggest influence on Pascal, to my understanding --
but by the days of Pascal I suspect ASCII was the prime character set --
so no (ASCII art to ensure it gets through) |---  or =/= characters (I
believe ALGOL 60 used =/= [as a single glyph] for "not equal").

-- 
	Wulfraed                 Dennis Lee Bieber         AF6VN
        wlfraed@ix.netcom.com    HTTP://wlfraed.home.netcom.com/

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Differences of "!=" operator behavior in python3 and python2 [ bug? ] "Mr. Joe" <titanix88@gmail.com> - 2013-05-13 05:23 +0600
  Re: Differences of "!=" operator behavior in python3 and python2 [ bug? ] Alister <alister.ware@ntlworld.com> - 2013-05-13 09:59 +0000
    Re: Differences of "!=" operator behavior in python3 and python2 [ bug? ] Fábio Santos <fabiosantosart@gmail.com> - 2013-05-13 18:26 +0100
    Re: Differences of "!=" operator behavior in python3 and python2 [ bug? ] Ned Batchelder <ned@nedbatchelder.com> - 2013-05-13 14:08 -0400
    Re: Differences of "!=" operator behavior in python3 and python2 [ bug? ] Chris Angelico <rosuav@gmail.com> - 2013-05-14 04:15 +1000
    Re: Differences of "!=" operator behavior in python3 and python2 [ bug? ] Fábio Santos <fabiosantosart@gmail.com> - 2013-05-13 19:28 +0100
      Re: Differences of "!=" operator behavior in python3 and python2 [ bug? ] Alister <alister.ware@ntlworld.com> - 2013-05-13 21:17 +0000
        Re: Differences of "!=" operator behavior in python3 and python2 [ bug? ] Fábio Santos <fabiosantosart@gmail.com> - 2013-05-13 22:48 +0100
        Re: Differences of "!=" operator behavior in python3 and python2 [ bug? ] Mark Lawrence <breamoreboy@yahoo.co.uk> - 2013-05-13 23:53 +0100
        Re: Differences of "!=" operator behavior in python3 and python2 [ bug? ] Dave Angel <davea@davea.name> - 2013-05-13 19:22 -0400
          Re: Differences of "!=" operator behavior in python3 and python2 [ bug? ] Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-05-14 05:09 +0000
            Re: Differences of "!=" operator behavior in python3 and python2 [ bug? ] Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2013-05-14 19:01 -0400
              Re: Differences of "!=" operator behavior in python3 and python2 [ bug? ] Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-05-15 00:15 +0000
                Re: Differences of "!=" operator behavior in python3 and python2 [ bug? ] Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2013-05-14 22:20 -0400
        Re: Differences of "!=" operator behavior in python3 and python2 [ bug? ] Andrew Berg <bahamutzero8825@gmail.com> - 2013-05-13 18:27 -0500
        Re: Differences of "!=" operator behavior in python3 and python2 [ bug? ] Ian Kelly <ian.g.kelly@gmail.com> - 2013-05-13 17:32 -0600
        Re: Differences of "!=" operator behavior in python3 and python2 [ bug? ] Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-05-14 05:21 +0000
          Re: Differences of "!=" operator behavior in python3 and python2 [ bug? ] Alister <alister.ware@ntlworld.com> - 2013-05-15 14:41 +0000
        Re: Differences of "!=" operator behavior in python3 and python2 [ bug? ] Chris Angelico <rosuav@gmail.com> - 2013-05-14 17:31 +1000

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