Path: csiph.com!x330-a1.tempe.blueboxinc.net!usenet.pasdenom.info!gegeweb.org!de-l.enfer-du-nord.net!feeder2.enfer-du-nord.net!feeds.phibee-telecom.net!newsfeed.xs4all.nl!newsfeed5.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 0.014 X-Spam-Evidence: '*H*': 0.97; '*S*': 0.00; 'received:edu.au': 0.07; 'iterate': 0.09; 'cc:addr:python-list': 0.15; 'from:addr:cs': 0.16; 'from:addr:zip.com.au': 0.16; 'from:name:cameron simpson': 0.16; 'message-id:@cskk.homeip.net': 0.16; 'mylist': 0.16; 'paulo': 0.16; 'process?': 0.16; 'received:202.125.174': 0.16; 'received:202.125.174.133': 0.16; 'received:boardofstudies.nsw.edu.au': 0.16; 'received:cskk.homeip.net': 0.16; 'received:harvey.boardofstudies.nsw.edu.au': 0.16; 'received:homeip.net': 0.16; 'received:nsw.edu.au': 0.16; 'thru': 0.16; 'wrote:': 0.16; 'long,': 0.19; 'cheers,': 0.20; 'cc:no real name:2**0': 0.21; 'subject:list': 0.21; 'header:In-Reply-To:1': 0.22; 'cc:2**0': 0.25; 'cc:addr:python.org': 0.29; 'list': 0.32; "isn't": 0.32; 'header:User-Agent:1': 0.33; 'it?': 0.33; 'trouble': 0.35; 'received:au': 0.36; 'element': 0.36; 'charset :us-ascii': 0.36; 'subject:from': 0.39; 'sense': 0.39; 'subject:: ': 0.39; 'huge': 0.60; 'more': 0.61; 'received:202': 0.65; '1st': 0.70; 'soon': 0.71; 'truth': 0.71; 'cameron': 0.77; 'hugh': 0.84; 'majority.': 0.84; 'subject:2nd': 0.84; 'subject:huge': 0.91 Date: Wed, 1 Feb 2012 13:02:59 +1100 From: Cameron Simpson To: Paulo da Silva Subject: Re: Iterate from 2nd element of a huge list MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.21 (2010-09-15) References: Cc: python-list@python.org 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: 26 NNTP-Posting-Host: 2001:888:2000:d::a6 X-Trace: 1328061789 news.xs4all.nl 6892 [2001:888:2000:d::a6]:35841 X-Complaints-To: abuse@xs4all.nl Xref: x330-a1.tempe.blueboxinc.net comp.lang.python:19677 On 01Feb2012 01:39, Paulo da Silva wrote: | What is the best way to iterate thru a huge list having the 1st element | a different process? I.e.: | | process1(mylist[0]) | for el in mylist[1:]: | process2(el) | | This way mylist is almost duplicated, isn't it? Yep. What about (untested): process1(mylist[0]) for i in xrange(1,len(mylist)): process2(mylist[i]) Cheers, -- Cameron Simpson DoD#743 http://www.cskk.ezoshosting.com/cs/ The truth is, I will not give myself the trouble to write sense long, for I would as soon please fools as wise men; because fools are more numerous, and every prudent man will go with the majority. - Hugh Henry Brackenridge