Path: csiph.com!v102.xanadu-bbs.net!xanadu-bbs.net!feeder.erje.net!eu.feeder.erje.net!newsfeed.datemas.de!rt.uk.eu.org!newsfeed.xs4all.nl!newsfeed1a.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 0.002 X-Spam-Evidence: '*H*': 1.00; '*S*': 0.00; 'subject:not': 0.03; 'subject:two': 0.07; 'none):': 0.09; 'received:80.91': 0.09; 'received:80.91.229': 0.09; 'received:gmane.org': 0.09; 'received:list': 0.09; 'subject:None': 0.09; '(none,': 0.16; 'b):': 0.16; 'received:80.91.229.3': 0.16; 'received:plane.gmane.org': 0.16; 'wrote:': 0.18; 'header:User- Agent:1': 0.23; 'pass': 0.26; 'header:X-Complaints-To:1': 0.27; 'anyone': 0.31; 'but': 0.35; 'to:addr:python-list': 0.38; "couldn't": 0.39; 'to:addr:python.org': 0.39; 'received:org': 0.40; 'email addr:gmail.com': 0.63; 'received:130': 0.73; 'from:addr:jeremy': 0.84 X-Injected-Via-Gmane: http://gmane.org/ To: python-list@python.org From: Jeremy Sanders Subject: Re: checking if two things do not equal None Date: Mon, 31 Mar 2014 09:56:59 +0200 References: <0245aca0-c6b7-493a-aa52-2c3ef6462dbd@googlegroups.com> Mime-Version: 1.0 Content-Type: text/plain; charset="ISO-8859-1" Content-Transfer-Encoding: 7Bit X-Gmane-NNTP-Posting-Host: lap75107.mpe.mpg.de User-Agent: KNode/4.11.5 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: 16 NNTP-Posting-Host: 2001:888:2000:d::a6 X-Trace: 1396252624 news.xs4all.nl 2948 [2001:888:2000:d::a6]:41208 X-Complaints-To: abuse@xs4all.nl Xref: csiph.com comp.lang.python:69414 contact.trigon@gmail.com wrote: > if (a, b) != (None, None): > or > if a != None != b: > > Preference? Pros? Cons? Alternatives? I couldn't see anyone else give this, but I like if None not in (a, b): pass Jeremy