Path: csiph.com!v102.xanadu-bbs.net!xanadu-bbs.net!feeder.erje.net!1.eu.feeder.erje.net!newsreader4.netcologne.de!news.netcologne.de!bcyclone03.am1.xlned.com!bcyclone03.am1.xlned.com!newsfeed.xs4all.nl!newsfeed2a.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 0.005 X-Spam-Evidence: '*H*': 0.99; '*S*': 0.00; 'from:addr:yahoo.co.uk': 0.05; 'subject:code': 0.07; 'received:80.91': 0.09; 'received:80.91.229': 0.09; 'received:gmane.org': 0.09; 'received:list': 0.09; 'received:80.91.229.3': 0.16; 'received:plane.gmane.org': 0.16; 'remembered': 0.16; 'subject:ever': 0.16; 'subject:most': 0.16; 'language': 0.19; 'lawrence': 0.22; 'header:User-Agent:1': 0.26; 'question': 0.26; 'header:X-Complaints-To:1': 0.26; 'this.': 0.28; 'piece': 0.29; 'raymond': 0.31; 'code': 0.31; 'language.': 0.32; 'subject:?': 0.34; 'to:addr:python-list': 0.35; "isn't": 0.35; 'received:org': 0.38; 'wanted': 0.39; 'to:addr:python.org': 0.39; 'mark': 0.40; 'our': 0.64; 'received:89': 0.80; 'pythonistas,': 0.84 X-Injected-Via-Gmane: http://gmane.org/ To: python-list@python.org From: Mark Lawrence Subject: most ambiguous line of code ever written? Date: Wed, 03 Jun 2015 16:20:57 +0100 Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit X-Gmane-NNTP-Posting-Host: host-89-240-175-57.as13285.net User-Agent: Mozilla/5.0 (Windows NT 6.3; WOW64; rv:31.0) Gecko/20100101 Thunderbird/31.7.0 X-BeenThere: python-list@python.org X-Mailman-Version: 2.1.20+ 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: 14 NNTP-Posting-Host: 2001:888:2000:d::a6 X-Trace: 1433344889 news.xs4all.nl 2903 [2001:888:2000:d::a6]:56105 X-Complaints-To: abuse@xs4all.nl X-Received-Bytes: 2836 X-Received-Body-CRC: 1263993529 Xref: csiph.com comp.lang.python:91971 I wanted a piece of code to write alternatively to the left and right sides of a deque. I remembered a stackoverflow question about toggling with an excellent answer from Raymond Hettinger. So I now have this. right = not right Isn't that just beautiful? -- My fellow Pythonistas, ask not what our language can do for you, ask what you can do for our language. Mark Lawrence