Path: csiph.com!usenet.pasdenom.info!news.albasani.net!feeder.erje.net!newsfeed.xs4all.nl!newsfeed6.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 0.014 X-Spam-Evidence: '*H*': 0.97; '*S*': 0.00; 'interpreter': 0.07; "subject:' ": 0.07; 'subject:Python': 0.07; 'python': 0.11; 'print': 0.15; 'dig': 0.16; 'executed': 0.16; 'executes': 0.16; 'from:addr:behnel.de': 0.16; 'from:addr:stefan_ml': 0.16; 'from:name:stefan behnel': 0.16; 'received:188.174': 0.16; 'received:80.91': 0.16; 'received:80.91.229': 0.16; 'received:gmane.org': 0.16; 'received:list': 0.16; 'received:m-online.net': 0.16; 'subject:between': 0.16; 'output': 0.18; 'resulting': 0.18; 'wrote:': 0.21; 'processor': 0.22; 'produces': 0.22; 'statement': 0.22; 'header:In-Reply-To:1': 0.22; 'header:User-Agent:1': 0.23; 'possibly': 0.23; 'syntax': 0.23; '>>>': 0.24; 'input': 0.24; 'error': 0.25; 'stefan': 0.27; '(by': 0.29; 'code': 0.29; 'file': 0.29; 'asking': 0.29; 'machine': 0.29; 'character': 0.30; 'points': 0.30; 'source': 0.31; 'produced': 0.32; 'byte': 0.33; 'could': 0.34; 'two': 0.35; 'there': 0.35; 'version': 0.36; 'header:X-Complaints-To:1': 0.36; 'list': 0.37; 'something': 0.38; 'received:org': 0.38; 'to:addr:python-list': 0.39; 'think': 0.40; 'to:addr:python.org': 0.40; 'received:188': 0.61; 'skip:n 10': 0.62; 'above.': 0.63; 'between': 0.64; 'inside': 0.65; 'different': 0.65; 'temporary': 0.66; 'times': 0.66; "'3'": 0.84; 'skip:2 50': 0.84; 'subject:there': 0.84; 'power': 0.87; 'same,': 0.91; 'hand,': 0.96; 'email addr:163.com': 0.97 X-Injected-Via-Gmane: http://gmane.org/ To: python-list@python.org From: Stefan Behnel Subject: Re: Is there any difference between print 3 and print '3' in Python ? Date: Mon, 26 Mar 2012 17:03:21 +0200 References: <5128580.32.1332762326119.JavaMail.geo-discussion-forums@pbom7> <9916924.0.1332772105737.JavaMail.geo-discussion-forums@pbbls7> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Gmane-NNTP-Posting-Host: host-188-174-218-242.customer.m-online.net User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:11.0) Gecko/20120310 Thunderbird/11.0 In-Reply-To: <9916924.0.1332772105737.JavaMail.geo-discussion-forums@pbbls7> X-BeenThere: python-list@python.org X-Mailman-Version: 2.1.12 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: 30 NNTP-Posting-Host: 2001:888:2000:d::a6 X-Trace: 1332774214 news.xs4all.nl 6904 [2001:888:2000:d::a6]:60423 X-Complaints-To: abuse@xs4all.nl Xref: csiph.com comp.lang.python:22194 redstone-cold@163.com, 26.03.2012 16:28: > 在 2012年3月26日星期一UTC+8下午8时11分03秒，Dave Angel写道： >> On 03/26/2012 07:45 AM, redstone-cold@163.com wrote: >>> I know the print statement produces the same result when both of these two instructions are executed ,I just want to know Is there any difference between print 3 and print '3' in Python ? >> >> This is a non-question. The input is the same, the output is the same, >> what else matters? >> >> On the other hand, if you want to dig deeper, there are lots of differences: >> >> 1) the former has a shorter source file >> 2) different C code is utilized inside the interpreter >> 3) different machine code executes >> 4) the temporary objects created have different id's and types >> 5) different execution times (by a trivial amount) >> 6) it takes different keystrokes to edit the two source files once you >> want to make it do something useful >> 7) the processor works a little harder on one than the other, possibly >> resulting in a different power consumption >> 8) different byte code is produced >> >> Or you could be asking about Python version 3, in which case >> 1) the syntax error message points to a different character > > Oh ,God ! I don't think she takes any responsibility for the list above. Stefan