Path: csiph.com!v102.xanadu-bbs.net!xanadu-bbs.net!feeder.erje.net!eu.feeder.erje.net!weretis.net!feeder4.news.weretis.net!feeds.phibee-telecom.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: <ken@seehart.com>
X-Original-To: python-list@python.org
Delivered-To: python-list@mail.python.org
X-Spam-Status: OK 0.010
X-Spam-Evidence: '*H*': 0.98; '*S*': 0.00; 'tree': 0.05; 'lawrence': 0.09; 'library?': 0.09; 'trees': 0.09; 'python': 0.11; '22:06,': 0.16; 'received:192.168.1.20': 0.16; 'received:74.55.86': 0.16; 'received:74.55.86.74': 0.16; 'received:smtp.webfaction.com': 0.16; 'received:webfaction.com': 0.16; 'wrote:': 0.18; 'fit': 0.20; 'header:User-Agent:1': 0.23; "aren't": 0.24; 'library,': 0.24; 'url:edu': 0.26; 'header:In-Reply-To:1': 0.27; 'especially': 0.30; 'url:wiki': 0.31; 'url:wikipedia': 0.31; 'probably': 0.32; 'could': 0.34; 'there': 0.35; 'url:org': 0.36; 'to:addr:python- list': 0.38; 'pm,': 0.38; 'to:addr:python.org': 0.39; 'most': 0.60; 'provide': 0.64; 'different': 0.65; 'charset:windows-1252': 0.65; 'url:htm': 0.73; 'grow': 0.77
Date: Tue, 20 Jan 2015 12:15:01 -0800
From: Ken Seehart <ken@seehart.com>
User-Agent: Mozilla/5.0 (Windows NT 6.3; WOW64; rv:31.0) Gecko/20100101 Thunderbird/31.3.0
MIME-Version: 1.0
To: python-list@python.org
Subject: Re: Trees
References: <CAG=hEY1L-39EmuWpdEh_n-BNfs=qG9nL=MrMT0ar72yGBrkoUA@mail.gmail.com> <m9k2cs$pk$1@ger.gmane.org>
In-Reply-To: <m9k2cs$pk$1@ger.gmane.org>
Content-Type: text/plain; charset=windows-1252; format=flowed
Content-Transfer-Encoding: 7bit
X-BeenThere: python-list@python.org
X-Mailman-Version: 2.1.15
Precedence: list
List-Id: General discussion list for the Python programming language <python-list.python.org>
List-Unsubscribe: <https://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: <https://mail.python.org/mailman/listinfo/python-list>, <mailto:python-list-request@python.org?subject=subscribe>
Newsgroups: comp.lang.python
Message-ID: <mailman.17897.1421784898.18130.python-list@python.org>
Lines: 18
NNTP-Posting-Host: 2001:888:2000:d::a6
X-Trace: 1421784898 news.xs4all.nl 2941 [2001:888:2000:d::a6]:52842
X-Complaints-To: abuse@xs4all.nl
Xref: csiph.com comp.lang.python:84085

Exactly. There are over 23,000 different kinds of trees. There's no way 
you could get all of them to fit in a library, especially a standard 
one. Instead, we prefer to provide people with the tools they need to 
grow their own trees.

http://caseytrees.org/programs/planting/ctp/
http://www.ncsu.edu/project/treesofstrength/treefact.htm
http://en.wikipedia.org/wiki/Tree

On 1/19/2015 3:01 PM, Mark Lawrence wrote:
> On 19/01/2015 22:06, Zachary Gilmartin wrote:
>> Why aren't there trees in the python standard library?
>>
>
> Probably because you'd never get agreement as to which specific tree 
> and which specific implementation was the most suitable for inclusion.
>