Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]
Groups > comp.lang.python > #82123
| Path | csiph.com!v102.xanadu-bbs.net!xanadu-bbs.net!feeder.erje.net!eu.feeder.erje.net!newsfeed.xs4all.nl!newsfeed3.news.xs4all.nl!xs4all!post.news.xs4all.nl!not-for-mail |
|---|---|
| Return-Path | <davea@davea.name> |
| 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; 'python,': 0.02; 'forgive': 0.05; 'instance.': 0.09; 'mess': 0.09; 'objects,': 0.09; 'strings.': 0.09; 'redundant,': 0.16; 'subject:dictionaries': 0.16; 'subject: ?': 0.16; 'wrote:': 0.18; '>>>': 0.22; 'separate': 0.22; 'header:User-Agent:1': 0.23; "haven't": 0.24; "i've": 0.25; 'header:In-Reply-To:1': 0.27; 'am,': 0.29; 'dec': 0.30; 'errors': 0.30; 'subject:list': 0.30; 'keys': 0.31; 'maintaining': 0.32; 'run': 0.32; 'another': 0.32; "i'd": 0.34; 'subject:from': 0.34; 'but': 0.35; 'two': 0.37; 'list': 0.37; 'mapping': 0.38; 'to:addr :python-list': 0.38; 'pm,': 0.38; 'rather': 0.38; 'to:addr:python.org': 0.39; 'users': 0.40; 'dave': 0.60; 'eventually': 0.60; 'received:74.208': 0.68; 'angel': 0.91 |
| Date | Mon, 08 Dec 2014 08:35:23 -0500 |
| From | Dave Angel <davea@davea.name> |
| User-Agent | Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.4.0 |
| MIME-Version | 1.0 |
| To | python-list@python.org |
| Subject | Re: Nested dictionaries from a list ? |
| References | <72066852-b4a1-4820-b52a-be56f68a0d7b@googlegroups.com> <mailman.16678.1417971703.18130.python-list@python.org> <m62p8f$fn7$3@dont-email.me> |
| In-Reply-To | <m62p8f$fn7$3@dont-email.me> |
| Content-Type | text/plain; charset=ISO-8859-1; format=flowed |
| Content-Transfer-Encoding | 7bit |
| X-Provags-ID | V02:K0:kNRDYgS1A8xlZV8I0scWDH8i1hXhyq2lVql2Npq6tfY rEPRVaGk1QdKs4uVqraLyXPgFbMCF99QlkTTNZIFMIbwt6PhWV rBBOnkpx6ofRUh5J++ODYkX7Jdj85nYTBkQZQDeGoNGrkIfVyx qqWOqQGa8+R4KZAdRVWChkbaEQgOfjqVnjD9mpk/jMHY9P02dc CoU1r/vgI7hxJbwcVqRAyDXQ0FdyNTfCy3BRke5QADCY6wvw6B A7xNTWyBubw9pCRSDgl4RbWHwLgDLDys+trI2rFRrnersiazJJ Eo/KODy5kj5g0CpsEpRJai43J/Hhvo55GmHkR0szboMQZ2MSUr Ag7BoEdJvThbFkJ95hgo= |
| X-UI-Out-Filterresults | notjunk:1; |
| 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.16722.1418045741.18130.python-list@python.org> (permalink) |
| Lines | 27 |
| NNTP-Posting-Host | 2001:888:2000:d::a6 |
| X-Trace | 1418045741 news.xs4all.nl 2912 [2001:888:2000:d::a6]:56663 |
| X-Complaints-To | abuse@xs4all.nl |
| Xref | csiph.com comp.lang.python:82123 |
Show key headers only | View raw
On 12/07/2014 06:52 PM, Denis McMahon wrote:
> On Sun, 07 Dec 2014 12:01:26 -0500, Dave Angel wrote:
>
>> On 12/07/2014 11:18 AM, Wacky wrote:
>
>>> I've a list of users ....
>
>> I haven't run this through the Python, so please forgive any typos.
>
>> users = [ ....
>> mess = { ....
>
> users is redundant, as it's mess.keys()
>
> maintaining a separate list of users and having the users as the keys in
> mess suggests redundancy, and the potential for errors if the two data
> items get out of synch. Better imo to just have the data in one place.
>
Unless there's an order that wants to be retained. But I would change
the list into a list of user objects, rather than of strings. And I'd
know that eventually it would be a sparse list (as users come and go,
and you don't want to reuse the indices). So it would be another
dictionary mapping userid and User instance.
--
DaveA
Back to comp.lang.python | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread
Nested dictionaries from a list ? Wacky <waqar.hafiz@gmail.com> - 2014-12-07 08:18 -0800
Re: Nested dictionaries from a list ? Dave Angel <davea@davea.name> - 2014-12-07 12:01 -0500
Re: Nested dictionaries from a list ? Denis McMahon <denismfmcmahon@gmail.com> - 2014-12-07 23:52 +0000
Re: Nested dictionaries from a list ? Dave Angel <davea@davea.name> - 2014-12-08 08:35 -0500
Re: Nested dictionaries from a list ? Denis McMahon <denismfmcmahon@gmail.com> - 2014-12-07 23:49 +0000
csiph-web