Path: csiph.com!v102.xanadu-bbs.net!xanadu-bbs.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 0.005 X-Spam-Evidence: '*H*': 0.99; '*S*': 0.00; 'syntax': 0.03; 'none,': 0.05; 'say,': 0.05; 'python': 0.09; 'comment,': 0.09; 'language': 0.14; 'from:addr:rosuav': 0.16; 'from:name:chris angelico': 0.16; 'simulate': 0.16; 'subject:when': 0.16; 'wed,': 0.16; 'wrote:': 0.17; 'else,': 0.17; 'examples': 0.18; 'jan': 0.18; 'code,': 0.18; '(or': 0.18; 'bit': 0.21; 'matching': 0.23; 'raise': 0.24; 'header :In-Reply-To:1': 0.25; 'am,': 0.27; 'message-id:@mail.gmail.com': 0.27; 'actual': 0.28; 'chris': 0.28; 'knows': 0.30; 'keyword': 0.30; 'anyone': 0.33; 'to:addr:python-list': 0.33; 'received:google.com': 0.34; 'expected': 0.35; 'sometimes': 0.35; 'received:209.85': 0.35; 'but': 0.36; 'does': 0.37; 'why': 0.37; 'received:209': 0.37; 'subject:: ': 0.38; 'things': 0.38; 'to:addr:python.org': 0.39; 'your': 0.60; 'thomas': 0.62; "'for'": 0.84; "'while'": 0.84; '+1100': 0.84; '2013': 0.84; 'confusing': 0.84 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:x-received:in-reply-to:references:date:message-id :subject:from:to:content-type; bh=B9yYioMW7bWOuk0U3aCdpD4sw/9LJpg63jAownPBqWo=; b=GepR+ZD1eU2d/RtN9rIiXNz8xu/oF1KRs5b0CoB+wkhYGvR++TOFokrml9PF9PjRIl 7p5oPNemDhrtLzaAMKMZRVCVSI7J4RH6ayvXNSVJVI4ZaQf3nb9Omz7Aw3+SCux6hkbH hi3sQzbM2Zu7sstLVob9WwWrHo5hUAms5V2JEwpeCrhZ/QqWs3Dz5oMjAJRlexLsRVBb FcuzhXeMwy/GyEPdSqsuj9OSqjo0BL8HdfaiVPuaVmg1GDlYzGTmfZDOHMltgKPfxEln 5at+Gm59Nmwuc25V28Nt1Sl6O1327dlqjl7Bwl+8qjo9+gHqxIj8hwt7JFSlOVa0U+qn PMGg== MIME-Version: 1.0 X-Received: by 10.52.178.225 with SMTP id db1mr956115vdc.10.1358870842314; Tue, 22 Jan 2013 08:07:22 -0800 (PST) In-Reply-To: <20130122164835.74a0ebf6@sampi> References: <2cc6791f-ba56-406c-a5b0-b23023caf4bb@googlegroups.com> <20130122163924.74038876@sampi> <20130122164835.74a0ebf6@sampi> Date: Wed, 23 Jan 2013 03:07:21 +1100 Subject: Re: Else statement executing when it shouldnt From: Chris Angelico To: python-list@python.org Content-Type: text/plain; charset=ISO-8859-1 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: 20 NNTP-Posting-Host: 2001:888:2000:d::a6 X-Trace: 1358870851 news.xs4all.nl 6867 [2001:888:2000:d::a6]:54649 X-Complaints-To: abuse@xs4all.nl Xref: csiph.com comp.lang.python:37296 On Wed, Jan 23, 2013 at 2:48 AM, Thomas Boell wrote: > On Wed, 23 Jan 2013 02:42:27 +1100 > Chris Angelico wrote: > >> On Wed, Jan 23, 2013 at 2:39 AM, Thomas Boell wrote: >> > Huh?! I would have expected all your examples to raise a SyntaxError or >> > IndentationError. Why don't they? Is 'else' not required to have a >> > matching 'if'? >> >> Other things can have else, including 'for' and 'while' loops. :) > > I must say, that's bound to be confusing for anyone who knows any > language other than Python (or none, even). Syntax like that is "an > accident waiting to happen"... It can be confusing and does take that bit of learning, but it's SO handy. In C code, I sometimes simulate it with a 'goto' and a comment, but the actual keyword is much clearer. ChrisA