Path: csiph.com!v102.xanadu-bbs.net!xanadu-bbs.net!news.albasani.net!rt.uk.eu.org!newsfeed.xs4all.nl!newsfeed2a.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 0.009 X-Spam-Evidence: '*H*': 0.98; '*S*': 0.00; 'broken': 0.04; 'from:addr:yahoo.co.uk': 0.04; 'list?': 0.07; 'immutable': 0.09; 'lawrence': 0.09; 'received:80.91': 0.09; 'received:80.91.229': 0.09; 'received:gmane.org': 0.09; 'received:list': 0.09; 'archive': 0.14; 'language.': 0.14; 'question.': 0.14; 'thread': 0.14; 'concatenate': 0.16; 'effect.': 0.16; 'guess.': 0.16; 'received:80.91.229.3': 0.16; 'received:plane.gmane.org': 0.16; 'subject: \n ': 0.16; 'worst': 0.16; 'discussions': 0.16; 'language': 0.16; 'wrote:': 0.18; 'header:User-Agent:1': 0.23; 'earlier': 0.24; '---': 0.24; 'question': 0.24; 'header:X -Complaints-To:1': 0.27; 'header:In-Reply-To:1': 0.27; 'subject:) ': 0.29; 'question:': 0.31; 'url:python': 0.33; 'maybe': 0.34; 'subject:the': 0.34; 'subject: (': 0.35; 'add': 0.35; 'there': 0.35; 'really': 0.36; 'possible': 0.36; 'too': 0.37; 'list': 0.37; 'question,': 0.38; 'to:addr:python-list': 0.38; 'list,': 0.38; 'does': 0.39; 'quote': 0.39; 'subject:can': 0.39; 'to:addr:python.org': 0.39; 'enough': 0.39; 'received:org': 0.40; 'called': 0.40; 'even': 0.60; 'subject:"': 0.60; 'most': 0.60; 'free': 0.61; 'viruses': 0.61; 'first': 0.61; 'protection': 0.63; 'our': 0.64; 'different': 0.65; 'six': 0.68; 'antivirus': 0.68; 'pleasure': 0.74; 'subject:being': 0.84; 'url:lang': 0.84; 'received:89': 0.85; 'clueless': 0.91; 'assured': 0.93 X-Injected-Via-Gmane: http://gmane.org/ To: python-list@python.org From: Mark Lawrence Subject: Re: can someone explain the concept of "strings (or whatever) being immutable" Date: Tue, 03 Jun 2014 08:59:38 +0100 References: Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Gmane-NNTP-Posting-Host: host-89-240-166-90.as13285.net User-Agent: Mozilla/5.0 (Windows NT 6.1; rv:24.0) Gecko/20100101 Thunderbird/24.5.0 In-Reply-To: X-Antivirus: avast! (VPS 140602-1, 02/06/2014), 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: 33 NNTP-Posting-Host: 2001:888:2000:d::a6 X-Trace: 1401782377 news.xs4all.nl 2840 [2001:888:2000:d::a6]:56864 X-Complaints-To: abuse@xs4all.nl Xref: csiph.com comp.lang.python:72486 On 03/06/2014 07:28, Rustom Mody wrote: > On Tuesday, June 3, 2014 10:36:37 AM UTC+5:30, Deb Wyatt wrote: >> That was just the first question. What does immutable really mean >> if you can add items to a list? and concatenate strings? I don't >> understand enough to even ask a comprehensible question, I guess. > > It is with some pleasure that I see this question: Most people who are > clueless have no clue that they are clueless -- also called the > Dunning-Krüger effect. > > Be assured that this question is much harder and problematic than people believe. > > There are earlier discussions on this on this list, eg > > https://groups.google.com/forum/#!topic/comp.lang.python/023NLi4XXR4[126-150-false] > > [Sorry the archive thread is too broken to quote meaningfully] > This list is available in maybe six different places, so I had to chuckle that you picked just about the worst possible to reference :) -- 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