Path: csiph.com!x330-a1.tempe.blueboxinc.net!usenet.pasdenom.info!selfless.tophat.at!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 0.007 X-Spam-Evidence: '*H*': 0.99; '*S*': 0.00; 'way:': 0.05; 'from:addr:ethan': 0.09; 'from:addr:stoneleaf.us': 0.09; 'from:name:ethan furman': 0.09; 'message-id:@stoneleaf.us': 0.09; 'received:gator410.hostgator.com': 0.09; '~ethan~': 0.09; 'wrote:': 0.14; 'received:72.11': 0.16; 'received:72.11.125': 0.16; 'received:72.11.125.166': 0.16; 'cc:addr:python-list': 0.17; 'subject:list': 0.19; 'header:In-Reply-To:1': 0.21; 'cc:2**0': 0.22; 'cc:no real name:2**0': 0.23; 'faster,': 0.23; 'cc:addr:python.org': 0.30; 'list': 0.33; 'chris': 0.34; 'header :User-Agent:1': 0.35; 'but': 0.38; 'smaller': 0.38; 'subject:: ': 0.38; 'should': 0.39; 'cost': 0.65; 'received:websitewelcome.com': 0.67; 'due': 0.67; 'received:69.56': 0.77; 'received:gateway16.websitewelcome.com': 0.84; 'subject:Best': 0.91 Date: Fri, 17 Jun 2011 15:24:20 -0700 From: Ethan Furman User-Agent: Thunderbird 1.5.0.10 (Windows/20070221) MIME-Version: 1.0 To: Chris Torek Subject: Re: Best way to insert sorted in a list References: In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - gator410.hostgator.com X-AntiAbuse: Original Domain - python.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - stoneleaf.us X-BWhitelist: no X-Source: X-Source-Args: X-Source-Dir: X-Source-Sender: mail.admailinc.com ([192.168.10.136]) [72.11.125.166]:1463 X-Source-Auth: ethan+stoneleaf.us X-Email-Count: 3 X-Source-Cap: dG9idWs7dG9idWs7Z2F0b3I0MTAuaG9zdGdhdG9yLmNvbQ== 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: 13 NNTP-Posting-Host: 82.94.164.166 X-Trace: 1308348643 news.xs4all.nl 49177 [::ffff:82.94.164.166]:46592 X-Complaints-To: abuse@xs4all.nl Xref: x330-a1.tempe.blueboxinc.net comp.lang.python:7867 Chris Torek wrote: > Appending to the list is much faster, and if you are going to > dump a set of new items in, you can do that with: > > # wrong way: > # for item in large_list: > # a.append(item) > # right way, but fundamentally still the same cost (constant > # factor is much smaller due to built-in append()) > a.append(large_list) ^- should be a.extend(large_list) ~Ethan~