Path: csiph.com!v102.xanadu-bbs.net!xanadu-bbs.net!feeder.erje.net!eu.feeder.erje.net!newsfeed.xs4all.nl!newsfeed3.news.xs4all.nl!xs4all!newsgate.cistron.nl!newsgate.news.xs4all.nl!post.news.xs4all.nl!not-for-mail Return-Path: X-Original-To: python-list@python.org Delivered-To: python-list@mail.python.org X-Spam-Status: OK 0.013 X-Spam-Evidence: '*H*': 0.98; '*S*': 0.00; 'operator': 0.03; '(except': 0.07; 'subject:bug': 0.07; 'ascii': 0.09; 'received:80.91': 0.09; 'received:80.91.229': 0.09; 'received:gmane.org': 0.09; 'received:list': 0.09; 'ah,': 0.16; 'received:80.91.229.3': 0.16; 'received:plane.gmane.org': 0.16; 'subject:python3': 0.16; 'wrote:': 0.18; 'url:home': 0.24; 'gets': 0.27; 'header:X-Complaints-To:1': 0.27; 'character': 0.29; 'characters': 0.30; 'url:wiki': 0.31; 'apparently': 0.31; "d'aprano": 0.31; 'pascal': 0.31; 'steven': 0.31; 'url:wikipedia': 0.31; 'basic': 0.35; 'but': 0.35; 'charset:us-ascii': 0.36; 'url:org': 0.36; 'received:76': 0.38; 'to:addr:python-list': 0.38; 'to:addr:python.org': 0.39; 'received:org': 0.40; 'ensure': 0.60; 'days': 0.60; 'skip:u 10': 0.60; 'biggest': 0.67; 'believe': 0.68; 'influence': 0.74; 'prime': 0.74; '"not': 0.84; '2013': 0.98 X-Injected-Via-Gmane: http://gmane.org/ To: python-list@python.org From: Dennis Lee Bieber Subject: Re: Differences of "!=" operator behavior in python3 and python2 [ bug? ] Date: Tue, 14 May 2013 22:20:10 -0400 Organization: > Bestiaria Support Staff < References: <51912C27.3020809@nedbatchelder.com> <5191c71c$0$29978$c3e8da3$5496439d@news.astraweb.com> <5192d3b8$0$29978$c3e8da3$5496439d@news.astraweb.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Gmane-NNTP-Posting-Host: adsl-76-249-29-151.dsl.klmzmi.sbcglobal.net X-Newsreader: Forte Agent 3.3/32.846 X-No-Archive: YES X-BeenThere: python-list@python.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: General discussion list for the Python programming language List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Newsgroups: comp.lang.python Message-ID: Lines: 29 NNTP-Posting-Host: 2001:888:2000:d::a6 X-Trace: 1368584425 news.xs4all.nl 15969 [2001:888:2000:d::a6]:50010 X-Complaints-To: abuse@xs4all.nl Xref: csiph.com comp.lang.python:45319 On 15 May 2013 00:15:53 GMT, Steven D'Aprano 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 > > 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/