Path: csiph.com!usenet.pasdenom.info!weretis.net!feeder1.news.weretis.net!feeder.erje.net!eu.feeder.erje.net!newsfeed.freenet.ag!news2.euro.net!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 0.023 X-Spam-Evidence: '*H*': 0.95; '*S*': 0.00; 'restarting': 0.07; 'space.': 0.07; 'loop.': 0.09; 'restarted': 0.09; 'clash': 0.16; 'idle.': 0.16; 'paused': 0.16; 'received:195.186': 0.16; 'received:bluewin.ch': 0.16; 'subject:object': 0.16; 'wrote:': 0.17; 'integer': 0.17; "shouldn't": 0.17; '>>>': 0.18; 'followed': 0.20; 'error.': 0.21; '(b)': 0.22; 'exists.': 0.22; 'focusing': 0.22; 'keys': 0.22; 'subject:problem': 0.22; 'cheers,': 0.23; 'somewhere': 0.24; 'header:In-Reply-To:1': 0.25; 'header:User- Agent:1': 0.26; 'reflect': 0.27; "doesn't": 0.28; '>>>>': 0.29; 'subsequently': 0.29; 'that.': 0.30; 'year,': 0.30; 'more,': 0.32; 'print': 0.32; 'idle': 0.33; 'problem': 0.33; 'to:addr:python- list': 0.33; 'thanks': 0.34; 'robert': 0.35; 'pm,': 0.35; 'there': 0.35; "didn't": 0.36; 'should': 0.36; 'beyond': 0.37; 'subject:: ': 0.38; 'to:addr:python.org': 0.39; 'received:192': 0.39; 'received:192.168': 0.40; 'range': 0.60; 'most': 0.61; 'first': 0.61; 'repeat': 0.62; 'strange': 0.62; 'it!': 0.64; 'received:ch': 0.69; 'obvious': 0.71; 'smith': 0.71; '2013': 0.84; 'occasion': 0.84; 'presumably': 0.84; 'realm': 0.84 Date: Tue, 13 Nov 2012 08:08:16 +0100 From: "F.R." User-Agent: Mozilla/5.0 (X11; Linux i686; rv:16.0) Gecko/20121028 Thunderbird/16.0.2 MIME-Version: 1.0 To: python-list@python.org Subject: Re: Strange object identity problem References: <50A0F5A8.4080802@bluewin.ch> <50a12baa$0$12377$a8266bb1@newsreader.readnews.com> In-Reply-To: <50a12baa$0$12377$a8266bb1@newsreader.readnews.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit 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: 57 NNTP-Posting-Host: 2001:888:2000:d::a6 X-Trace: 1352790504 news.xs4all.nl 6977 [2001:888:2000:d::a6]:44717 X-Complaints-To: abuse@xs4all.nl Xref: csiph.com comp.lang.python:33223 On 11/12/2012 06:02 PM, duncan smith wrote: > On 12/11/12 13:40, F.R. wrote: >> On 11/12/2012 02:27 PM, Robert Franke wrote: >>> Hi Frederic, >>> >>> [...] >>> >>>>>>> bas = {} >>>>>>> for year in range (2010, 2013): >>>> ba = st.runs ('BA', '%d-01-01' % year, '%d-12-31' % year) >>>> ba.run () >>>> print year, id (ba) >>>> bas [year] = ba >>>> >>>> 2010 150289932 >>>> 2011 150835852 >>>> 2012 149727788 >>>> >>>>>>> for y in sorted (bas.keys ()): >>>> b = bas [year] >>> Shouldn't that be b = bas[y]? >> Yes, it should, indeed! What's more, I should have closed and restarted >> IDLE. There must have >> been a name clash somewhere in the name space. The problem no longer >> exists. Sorry >> about that. And thanks to all who paused to reflect on this non-problem. >> - Frederic. >> >>> >>> >>>> print y, id (b) >>>> >>>> 2010 149727788 >>>> 2011 149727788 >>>> 2012 149727788 >>>> >>> [...] >>> >>> Cheers, >>> >>> Robert >>> >> > > The problem was that year was bound to the integer 2013 from the first > loop. When you subsequently looped over the keys you printed each key > followed by id(bas[2013]). Restarting IDLE only helped because you > presumably didn't repeat the error. > > Duncan > That's it! Isn't it strange how on occasion one doesn't see the most obvious and simple mistake, focusing beyond the realm of foolishness. Thanks all . . . Frederic