Path: csiph.com!v102.xanadu-bbs.net!xanadu-bbs.net!us.feeder.erje.net!feeder.erje.net!eu.feeder.erje.net!newsfeed.xs4all.nl!newsfeed2.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: UNSURE 0.227 X-Spam-Level: ** X-Spam-Evidence: '*H*': 0.67; '*S*': 0.13; 'patterns': 0.04; 'subset': 0.09; 'define,': 0.16; 'heads.': 0.16; 'wrote:': 0.18; 'header :User-Agent:1': 0.23; 'header:In-Reply-To:1': 0.27; 'am,': 0.29; 'error.': 0.37; 'to:addr:python-list': 0.38; 'though,': 0.39; 'to:addr:python.org': 0.39; 'called': 0.40; 'talking': 0.65; 'charset:windows-1252': 0.65; 'received:74.208': 0.68; 'analysis': 0.75; 'trial': 0.83; 'received:74.208.4.194': 0.84; 'besides,': 0.93 Date: Fri, 27 Mar 2015 10:09:13 -0400 From: Dave Angel User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.5.0 MIME-Version: 1.0 To: python-list@python.org Subject: Re: Sudoku solver References: <87r3sdnw5t.fsf@elektro.pacujo.net> <87fv8sndw1.fsf@elektro.pacujo.net> <551557B3.5090102@davea.name> <87twx6lf15.fsf@elektro.pacujo.net> In-Reply-To: <87twx6lf15.fsf@elektro.pacujo.net> Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit X-Provags-ID: V03:K0:MbKXXPF4I1VLKjzkS+TRpfzdILUEmmJtXz3pCVvPvXsT8J1YLGK QKNsuj5woFnrBFEr78xP6eVNbO0oD+wOVsQBOqvd4+108LQonUFIGi51EnrjNXA85W/C70c ZpiTVLn9BuESdymmtK7OviWA1QtKbW4aZv+whjih++cK5v4TgTyDfArW4acla8acinzMj5H J1VC2YN+bU7aMKmlPXeXA== X-UI-Out-Filterresults: notjunk:1; X-Mailman-Approved-At: Fri, 27 Mar 2015 15:10:40 +0100 X-BeenThere: python-list@python.org X-Mailman-Version: 2.1.19 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: 19 NNTP-Posting-Host: 2001:888:2000:d::a6 X-Trace: 1427465441 news.xs4all.nl 2921 [2001:888:2000:d::a6]:48296 X-Complaints-To: abuse@xs4all.nl Xref: csiph.com comp.lang.python:88161 On 03/27/2015 09:56 AM, Marko Rauhamaa wrote: > "Frank Millman" : > >> So what I am talking about is called a "satisfactory" puzzle, which is >> a subset of a "proper" puzzle. > > That is impossible to define, though, because some people are mental > acrobats and can do a lot of deep analysis in their heads. What's > satisfactory to you may not be satisfactory to me. > > Besides, looking for "satisfactory" patterns can involve a truckload of > trial and error. > I know, let's use "regular expressions" -- DaveA