Path: csiph.com!optima2.xanadu-bbs.net!xanadu-bbs.net!feeder.erje.net!1.eu.feeder.erje.net!bcyclone05.am1.xlned.com!bcyclone05.am1.xlned.com!newsfeed.xs4all.nl!newsfeed7.news.xs4all.nl!newsgate.cistron.nl!newsgate.news.xs4all.nl!post.news.xs4all.nl!not-for-mail
Return-Path: <skip.montanaro@gmail.com>
X-Original-To: python-list@python.org
Delivered-To: python-list@mail.python.org
X-Spam-Status: OK 0.029
X-Spam-Evidence: '*H*': 0.94; '*S*': 0.00; 'cc:addr:python-list': 0.09; 'subject:How': 0.09; 'dict': 0.09; 'instead.': 0.15; 'cc:name:python': 0.16; 'wrote:': 0.16; 'skip': 0.18; '2015': 0.20; 'cc:2**0': 0.20; 'cc:addr:python.org': 0.20; 'am,': 0.23; "python's": 0.23; 'long,': 0.24; 'header:In-Reply-To:1': 0.24; "doesn't": 0.26; 'fri,': 0.27; 'message-id:@mail.gmail.com': 0.27; 'hash': 0.29; 'maybe': 0.33; 'lists': 0.34; 'received:google.com': 0.35; 'subject:work': 0.36; 'subject:?': 0.36; 'subject:: ': 0.37; 'no,': 0.38; 'linked': 0.63; 'different': 0.63; 'jul': 0.72; 'batchelder': 0.84; 'am.': 0.91
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=0UK5PRWQf3SuDQ6jUy1JqpveN67/tSopcXsM3RBQq6o=; b=oeWRH6s7z1mr24Ve2oSGj4sS9wVdzqDUhHo/egVKc8f5Gpz2y8a1f6DFDbycNAS4Zy NXApGfijj/YK2zqUA7e1y2JloVolqcIIsPQFRjioE6Q7x9cSIrROvwRdLZJOj6eeo6Y9 +dLc1dI6aHAGtq/Y1Oe9EUSZVuSy7/C+PeJA39PdgdvSf/X9dNCFNESKeGGqWYrMHguO aRG19p/8MyYiE0J8aE9RdfJ2kc8PBm7QBbgd4pllcr+qh99yMJssSXZsvYyqerd5AnAb niP4BfPgqYhlzqgq2YQzXwkyL+wTC1RZLwGQz/ByzHS+Mj8z9muUszVGRVE0TX7/rikl WJdg==
MIME-Version: 1.0
X-Received: by 10.107.148.135 with SMTP id w129mr18995664iod.52.1437148691024; Fri, 17 Jul 2015 08:58:11 -0700 (PDT)
In-Reply-To: <3a01125b-4f7d-4c37-bae1-ee8e6e7eb70b@googlegroups.com>
References: <A2CB3AFE-ACB3-4AD3-B35B-4BC6BA3D729D@gmail.com> <CANc-5UwGj5uT_ZBZETQz25O5NeEResUg=P0zL_oHEdK14VkThQ@mail.gmail.com> <948FE9D4-63CF-4730-B5F0-675F780A2481@gmail.com> <mailman.603.1437073105.3674.python-list@python.org> <3a01125b-4f7d-4c37-bae1-ee8e6e7eb70b@googlegroups.com>
Date: Fri, 17 Jul 2015 10:58:10 -0500
Subject: Re: How does a dictionary work exactly?
From: Skip Montanaro <skip.montanaro@gmail.com>
To: Ned Batchelder <ned@nedbatchelder.com>
Cc: Python <python-list@python.org>
Content-Type: text/plain; charset=UTF-8
X-BeenThere: python-list@python.org
X-Mailman-Version: 2.1.20+
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.650.1437148693.3674.python-list@python.org>
Lines: 9
NNTP-Posting-Host: 2001:888:2000:d::a6
X-Trace: 1437148693 news.xs4all.nl 2950 [2001:888:2000:d::a6]:53988
X-Complaints-To: abuse@xs4all.nl
X-Received-Bytes: 3522
X-Received-Body-CRC: 3501539147
Xref: csiph.com comp.lang.python:94014

On Fri, Jul 17, 2015 at 9:32 AM, Ned Batchelder <ned@nedbatchelder.com> wrote:
> Maybe people are reading a different implementation than I am.  Python's
> dict object doesn't use linked lists to deal with hash collisions, it probes
> other slots instead.

No, I was working a) from memory, and b) not looking at the
implementation, which I last did a long, long time ago...

Skip