Re: What is the most efficient way to compare similar contents in two lists?

Path	csiph.com!x330-a1.tempe.blueboxinc.net!usenet.pasdenom.info!selfless.tophat.at!newsfeed.xs4all.nl!newsfeed6.news.xs4all.nl!xs4all!newsgate.cistron.nl!newsgate.news.xs4all.nl!post.news.xs4all.nl!not-for-mail
Return-Path	<debatem1@gmail.com>
X-Original-To	python-list@python.org
Delivered-To	python-list@mail.python.org
X-Spam-Status	OK 0.008
X-Spam-Evidence	'H': 0.98; 'S': 0.00; 'python,': 0.01; 'parameter': 0.05; 'subject:two': 0.07; 'python': 0.08; 'subject:compare': 0.09; 'computing': 0.11; '>>>': 0.12; 'am,': 0.14; 'wrote:': 0.14; "'real": 0.16; 'angelico': 0.16; 'cmp': 0.16; 'ha!': 0.16; 'list;': 0.16; 'python-list,': 0.16; 'subject:similar': 0.16; 'thread.': 0.16; 'things.': 0.16; 'cc:addr:python-list': 0.17; 'mon,': 0.17; 'tue,': 0.17; 'header :In-Reply-To:1': 0.21; 'cc:20': 0.22; 'cc:no real name:20': 0.23; 'here?': 0.23; 'there.': 0.25; 'message-id:@mail.gmail.com': 0.28; 'subject:?': 0.29; 'are.': 0.29; 'bit': 0.30; 'cc:addr:python.org': 0.30; 'fairly': 0.30; 'joined': 0.32; 'posts': 0.32; 'together.': 0.33; 'list.': 0.33; 'chris': 0.34; 'that,': 0.34; 'there': 0.35; 'posters': 0.35; 'received:74.125.83.174': 0.35; 'received:mail- pv0-f174.google.com': 0.35; 'subject:What': 0.35; 'quite': 0.36; 'difference': 0.37; 'subject:lists': 0.37; 'received:google.com': 0.37; 'floating': 0.37; 'thread': 0.37; 'put': 0.37; 'two': 0.37; 'think': 0.38; 'received:74.125': 0.38; 'but': 0.38; 'subject:: ': 0.38; 'should': 0.39; 'got': 0.39; 'training': 0.60; 'more': 0.60; 'huge': 0.62; 'day,': 0.64; 'removal': 0.65; 'high': 0.67; 'traffic': 0.70; 'taught': 0.72; 'soon': 0.73; 'learned': 0.73; 'liked': 0.73; 'something.': 0.91; 'touched': 0.91; 'informative.': 0.96
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:cc:content-type; bh=kkhUuMtP9+dq6A8SDsRZCCZZo/bx/j7iUUbn3vxzowI=; b=F84a8h0WioQpWFlqP0ExxyZEBtIbhnCuD0zyt9agLMN+ka53G+kzO3yKybKCglu+sK GA/aiRPbZ+oK4Ohv8Jiax6R3xie/HZ8f14f6PkCS2D9YC8vzGSjCleuSUNgXROp3oqq5 hNKIrfex2Y4x/d4krLGGsNCnvqgkLoFPXUzDU=
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 :cc:content-type; b=cxJtHtYWbLnAfla6Ex5H/iIY9j0La4KXy4qrFWkWgx2rGCtAWaqO3PciCgxNJ4hYNb 6L4S6U1/LXKWnBg/7p8+PfWb4wbpBpjiaNmK12WVHRY15IwA9l5vjBDstfeDyJZVFbxl 5RGkjCSyPB54b5do23mGYUJHBR8TUc2X8otZg=
MIME-Version	1.0
In-Reply-To	<BANLkTikLXS1J8RNA56MPOZOFEHoGxiP-pw@mail.gmail.com>
References	<3ff2f4cc-7c26-4f59-9463-d6f0874174d8@dn9g2000vbb.googlegroups.com> <mailman.169.1307977750.11593.python-list@python.org> <bad3a56e-efba-4ef4-a159-64273cda5a08@gh5g2000vbb.googlegroups.com> <mailman.176.1307979593.11593.python-list@python.org> <4df634f0$0$30002$c3e8da3$5496439d@news.astraweb.com> <BANLkTi=gomVpef-VxCGjnwPq0YnrM7Uz-w@mail.gmail.com> <BANLkTikAWWG1zJg2J5U0rbJMyiGy5g0_aA@mail.gmail.com> <BANLkTikLXS1J8RNA56MPOZOFEHoGxiP-pw@mail.gmail.com>
Date	Mon, 13 Jun 2011 11:20:50 -0700
Subject	Re: What is the most efficient way to compare similar contents in two lists?
From	geremy condra <debatem1@gmail.com>
To	Chris Angelico <rosuav@gmail.com>
Content-Type	text/plain; charset=ISO-8859-1
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 <python-list.python.org>
List-Unsubscribe	<http://mail.python.org/mailman/options/python-list>, <mailto:python-list-request@python.org?subject=unsubscribe>
List-Archive	<http://mail.python.org/pipermail/python-list>
List-Post	<mailto:python-list@python.org>
List-Help	<mailto:python-list-request@python.org?subject=help>
List-Subscribe	<http://mail.python.org/mailman/listinfo/python-list>, <mailto:python-list-request@python.org?subject=subscribe>
Newsgroups	comp.lang.python
Message-ID	<mailman.190.1307989254.11593.python-list@python.org> (permalink)
Lines	27
NNTP-Posting-Host	82.94.164.166
X-Trace	1307989254 news.xs4all.nl 49047 [::ffff:82.94.164.166]:60173
X-Complaints-To	abuse@xs4all.nl
Xref	x330-a1.tempe.blueboxinc.net comp.lang.python:7544

Show key headers only | View raw

On Mon, Jun 13, 2011 at 10:50 AM, Chris Angelico <rosuav@gmail.com> wrote:
> On Tue, Jun 14, 2011 at 3:46 AM, geremy condra <debatem1@gmail.com> wrote:
>> On Mon, Jun 13, 2011 at 9:30 AM, Chris Angelico <rosuav@gmail.com> wrote:
>>> Ha! That *lengthy* thread started fairly soon after I joined this
>>> list. It was highly... informative. I learned a bit about Python, and
>>> a lot about python-list, from the posts there.
>>
>> So what are we talking about here? Reduce?
>
> There was a huge thread about the removal of the cmp parameter to
> sort() in Python 3.x. It was quite a wide-ranging discussion, touched
> on many things. I think it got up to 90 posts in the first day, or
> something. The main thing it taught me was that python-list is a high
> traffic list; the next most important thing was who the courteous
> posters are.

I know that, but I mean what were you talking about before if you
weren't talking about cmp?

> In contrast, the thread on NaNs in Python has taught me more about the
> difference between floating point and 'real numbers' in a week or two
> than all my previous computing training put together. Yep, this is an
> interesting list.

I liked that thread. There should be more of those.

Geremy Condra

Thread

csiph-web