Path: csiph.com!v102.xanadu-bbs.net!xanadu-bbs.net!feeder.erje.net!eu.feeder.erje.net!feeds.phibee-telecom.net!newsfeed.xs4all.nl!newsfeed2.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 0.040 X-Spam-Evidence: '*H*': 0.92; '*S*': 0.00; '(b)': 0.07; 'cc:addr :python-list': 0.11; 'changes': 0.15; 'from:addr:rosuav': 0.16; 'from:name:chris angelico': 0.16; 'objects.': 0.16; 'all.': 0.16; 'wrote:': 0.18; 'wed,': 0.18; 'cc:addr:python.org': 0.22; '(a)': 0.24; 'proxy': 0.24; 'cc:2**0': 0.24; 'header:In-Reply-To:1': 0.27; 'function': 0.29; "doesn't": 0.30; 'statement': 0.30; 'message-id:@mail.gmail.com': 0.30; 'but': 0.35; 'received:google.com': 0.35; 'object,': 0.36; 'two': 0.37; 'list': 0.37; 'pm,': 0.38; 'either': 0.39; 'address': 0.63; 'mar': 0.68; 'low': 0.83; 'level"': 0.84; 'to:none': 0.92 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:cc :content-type; bh=tAG4NI2tNupoLgc3t+ao3bZo4dV8JQQBh+PI58coPWg=; b=iYlUyb8nx8NtXDffkYPwwireAf9BP9XkKBb7UE5jrrMFbnDF8DqABNTd1a4J9Tw8eK 0JUWYV7SJkcUITC7NsNs8+962BGErkNG5QfQf2bhX2Djjwii4BSgXZPpTTvbGgdBzLBK oIrne3Upa9U7V0hebltS9p7VY28QapVpi91yfoGP5gAmXDknohp7EQt9bQGIaXgDSi+f oxpSrbnqbYzT+vismiHI/0M/wvWcSxVmIudrBdIFAQ2pyxtL/zzoD+sxoQHOd2tYaz3H L3O2kq4RaSgbzoVZKgSXer5sTjjLrojE45nzC5JWJXHpsYqo2aa3TLNXmqTxMg6fRb2D 2jHA== MIME-Version: 1.0 X-Received: by 10.66.181.70 with SMTP id du6mr4618712pac.23.1394001177691; Tue, 04 Mar 2014 22:32:57 -0800 (PST) In-Reply-To: References: <53144e8d$0$2149$426a74cc@news.free.fr> <1d1dfa1b-b715-4d8f-9c12-f0d3dc1a22c9@googlegroups.com> <85ppm3httu.fsf@benfinney.id.au> <20140303155112.46e34ff8@bigbox.christie.dr> <87siqy7whs.fsf@elektro.pacujo.net> <53155c15$0$2923$c3e8da3$76491128@news.astraweb.com> <164d209c-ba5e-449f-bc25-c27ebfb1fc0f@googlegroups.com> <5316b0dc$0$2923$c3e8da3$76491128@news.astraweb.com> Date: Wed, 5 Mar 2014 17:32:57 +1100 Subject: Re: Reference From: Chris Angelico Cc: "python-list@python.org" Content-Type: text/plain; charset=UTF-8 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: 12 NNTP-Posting-Host: 2001:888:2000:d::a6 X-Trace: 1394001181 news.xs4all.nl 2954 [2001:888:2000:d::a6]:53627 X-Complaints-To: abuse@xs4all.nl Xref: csiph.com comp.lang.python:67814 On Wed, Mar 5, 2014 at 5:03 PM, Rustom Mody wrote: > I can say "'id' is just 'machine-id' is just address at some low level" And I can say that "id" returns a list of digits, but that doesn't make either statement true. The id() function returns a number which (a) never changes for any given object, and (b) will never be the same for any two concurrently-existing objects. It's a proxy for object identity. That's all. ChrisA