Path: csiph.com!x330-a1.tempe.blueboxinc.net!usenet.pasdenom.info!aioe.org!feeder.news-service.com!newsfeed.xs4all.nl!newsfeed6.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 0.019 X-Spam-Evidence: '*H*': 0.96; '*S*': 0.00; 'decent': 0.07; 'precision': 0.09; 'am,': 0.14; 'wrote:': 0.14; 'from:addr:rosuav': 0.16; 'from:name:chris angelico': 0.16; 'lambda': 0.16; 'one-': 0.16; 'seconds': 0.16; 'work,': 0.20; 'header:In-Reply-To:1': 0.21; 'code.': 0.22; 'received:209.85.210.174': 0.23; 'received:mail- iy0-f174.google.com': 0.23; 'wondered': 0.23; 'wonder': 0.23; 'produced': 0.26; "i'm": 0.27; 'message-id:@mail.gmail.com': 0.28; 'sat,': 0.29; 'for,': 0.30; 'steven': 0.32; 'does': 0.33; 'to:addr :python-list': 0.33; 'too': 0.33; 'however,': 0.34; "d'aprano": 0.35; 'idea': 0.36; 'received:google.com': 0.37; 'received:209.85': 0.37; 'run': 0.38; 'subject:: ': 0.38; 'received:209': 0.39; 'either': 0.39; 'subject:with': 0.39; 'to:addr:python.org': 0.39; 'ever': 0.64; 'more...': 0.73; 'quality': 0.74; 'patient,': 0.84 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:in-reply-to:references:date :message-id:subject:from:to:content-type; bh=yT7hvHfYyrzCFpbxtIlDvWwObYGj7JJdbfGeT/5TQ5g=; b=iOFHnN4xWDXaSicV453zKnz9wapXWoFYxwJcLVUQS+Fbjo5/gCyQqKezU3j8CzWjRN ZhD+UKbijvKdUoQ7oRgbivOYlShEL7Skhx8DuAeC1BGEk88nSrUjbkKIms8KEQ6kLMBf kNlhmnmLqxvCtrIoHaMNSvVap3Xa/FNgs5C8w= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type; b=LaovY5XKaEEXH6RMh7xHAy2JQXBfz5Nexcz9YOzhRzPCe0DFZhcNK3gfSImo33nsIA IDoWYQVLIokP9zBHxV8qJerUwh4tTowmG6hTN8WArBhRaLk3i3oxiwXIpidBhOe9OSne TyIAf7jGMIQ1XFxfbzeMF4k0WAUB+yPzpzQmQ= MIME-Version: 1.0 In-Reply-To: <4dfb7c6d$0$30002$c3e8da3$5496439d@news.astraweb.com> References: <4dfb7c6d$0$30002$c3e8da3$5496439d@news.astraweb.com> Date: Sat, 18 Jun 2011 10:40:37 +1000 Subject: Re: Fun and games with lambda 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: 2.1.12 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: 82.94.164.166 X-Trace: 1308357641 news.xs4all.nl 49041 [::ffff:82.94.164.166]:41413 X-Complaints-To: abuse@xs4all.nl Xref: x330-a1.tempe.blueboxinc.net comp.lang.python:7872 On Sat, Jun 18, 2011 at 2:10 AM, Steven D'Aprano wrote: > If you've ever wondered what lambda and reduce are good for, run this one- > liner and wonder no more... > > (Be patient, it may take a few seconds to return.) I have a decent CPU so it's not too bad. And the precision produced is noteworthy. However, I have no idea how it does its work, so I'm just in awe of the quality of the code. And you can read that last remark either way. ChrisA