Path: csiph.com!newsfeed.hal-mli.net!feeder3.hal-mli.net!newsfeed.hal-mli.net!feeder1.hal-mli.net!newsfeed.xs4all.nl!newsfeed3.news.xs4all.nl!xs4all!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 0.005 X-Spam-Evidence: '*H*': 0.99; '*S*': 0.00; 'from:addr:yahoo.co.uk': 0.04; 'subject:Python': 0.06; 'lawrence': 0.09; 'observation': 0.09; 'received:80.91': 0.09; 'received:80.91.229': 0.09; 'received:gmane.org': 0.09; 'received:list': 0.09; 'subject:into': 0.09; 'language.': 0.14; 'correctness': 0.16; 'finney': 0.16; 'received:80.91.229.3': 0.16; 'received:plane.gmane.org': 0.16; 'relevant.': 0.16; 'subject:variable': 0.16; 'language': 0.16; 'wrote:': 0.18; '>>>': 0.22; 'header:User-Agent:1': 0.23; '---': 0.24; 'question': 0.24; 'defined': 0.27; 'header:X-Complaints- To:1': 0.27; 'header:In-Reply-To:1': 0.27; 'context,': 0.31; 'context.': 0.31; 'writes:': 0.31; 'objects': 0.35; 'but': 0.35; 'subject:?': 0.36; 'should': 0.36; 'two': 0.37; 'ben': 0.38; 'to:addr:python-list': 0.38; 'to:addr:python.org': 0.39; 'either': 0.39; 'received:org': 0.40; 'skip:u 10': 0.60; 'subject:Can': 0.60; 'free': 0.61; 'viruses': 0.61; "you're": 0.61; 'protection': 0.63; 'our': 0.64; 'pick': 0.64; 'different': 0.65; 'between': 0.67; 'antivirus': 0.68; 'positions:': 0.84 X-Injected-Via-Gmane: http://gmane.org/ To: python-list@python.org From: Mark Lawrence Subject: Re: Can global variable be passed into Python function? Date: Sun, 02 Mar 2014 13:00:40 +0000 References: <27ac2248-0ca3-4ba6-9d25-eaad324bc5e9@googlegroups.com> <530fef58$0$11113$c3e8da3@news.astraweb.com> <871tynznpd.fsf@elektro.pacujo.net> <53104798$0$11113$c3e8da3@news.astraweb.com> <87ha7jy2qs.fsf@elektro.pacujo.net> <87k3ceeq0m.fsf@elektro.pacujo.net> <87zjlad8q4.fsf@elektro.pacujo.net> <874n3irz04.fsf@elektro.pacujo.net> <87k3ceqhti.fsf@elektro.pacujo.net> <87r46l96j6.fsf@elektro.pacujo.net> <87zjl93u49.fsf@elektro.pacujo.net> <85r46kkgs1.fsf@benfinney.id.au> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Gmane-NNTP-Posting-Host: host-78-147-179-76.as13285.net User-Agent: Mozilla/5.0 (Windows NT 6.1; rv:24.0) Gecko/20100101 Thunderbird/24.3.0 In-Reply-To: <85r46kkgs1.fsf@benfinney.id.au> X-Antivirus: avast! (VPS 140301-2, 01/03/2014), Outbound message X-Antivirus-Status: Clean 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: 35 NNTP-Posting-Host: 2001:888:2000:d::a6 X-Trace: 1393765255 news.xs4all.nl 2831 [2001:888:2000:d::a6]:49445 X-Complaints-To: abuse@xs4all.nl Xref: csiph.com comp.lang.python:67434 On 02/03/2014 10:59, Ben Finney wrote: > Marko Rauhamaa writes: > >> Ben Finney : >> >>> The unreliability is “will objects defined elsewhere have a different >>> identity?” >> >> That question is not interesting in my context, and has no bearing on >> the correctness of the program. > > You keep vacillating between two positions: pick one for the context. > > Either you care about object identity in this context, and the above > observation is relevant. > > Or, you don't care about object identity in this context, and you should > avoid ‘is’ and use ‘==’. > > But you cannot have both. > Unless you're a troll. -- My fellow Pythonistas, ask not what our language can do for you, ask what you can do for our language. Mark Lawrence --- This email is free from viruses and malware because avast! Antivirus protection is active. http://www.avast.com