Re: dictionary with tuples

Path	csiph.com!v102.xanadu-bbs.net!xanadu-bbs.net!feeder.erje.net!eu.feeder.erje.net!newsfeed.freenet.ag!takemy.news.telefonica.de!telefonica.de!newsfeed.xs4all.nl!newsfeed1.news.xs4all.nl!xs4all!post.news.xs4all.nl!not-for-mail
Return-Path	<python.list@tim.thechases.com>
X-Original-To	python-list@python.org
Delivered-To	python-list@mail.python.org
X-Spam-Status	OK 0.013
X-Spam-Evidence	'H': 0.97; 'S': 0.00; 'win32': 0.03; 'builtin': 0.09; 'iterate': 0.09; 'python': 0.11; "('c',": 0.16; '-tkc': 0.16; '2)]': 0.16; 'dict': 0.16; 'from:addr:python.list': 0.16; 'from:addr:tim.thechases.com': 0.16; 'from:name:tim chase': 0.16; 'igor': 0.16; 'wrote:': 0.18; 'all,': 0.19; 'bit': 0.19; '>>>': 0.22; 'header:In-Reply-To:1': 0.27; 'skip:( 20': 0.30; 'another': 0.32; "i'd": 0.34; 'subject:with': 0.35; 'doing': 0.36; 'charset :us-ascii': 0.36; 'hi,': 0.36; 'should': 0.36; 'to:addr:python- list': 0.38; 'bad': 0.39; 'to:addr:python.org': 0.39; 'either': 0.39; 'name:': 0.61; 'choose': 0.64; 'more': 0.64; 'received:50.22': 0.84; 'shadow': 0.84; '2013,': 0.91
Date	Tue, 14 Jan 2014 15:18:57 -0600
From	Tim Chase <python.list@tim.thechases.com>
To	python-list@python.org
Subject	Re: dictionary with tuples
In-Reply-To	<CA+FnnTyBnns_hkj4ur1y4ySGD_HqtGpc8GNiFhLio31x6eqbKA@mail.gmail.com>
References	<CA+FnnTyBnns_hkj4ur1y4ySGD_HqtGpc8GNiFhLio31x6eqbKA@mail.gmail.com>
X-Mailer	Claws Mail 3.8.1 (GTK+ 2.24.10; x86_64-pc-linux-gnu)
Mime-Version	1.0
Content-Type	text/plain; charset=US-ASCII
Content-Transfer-Encoding	7bit
X-AntiAbuse	This header was added to track abuse, please include it with any abuse report
X-AntiAbuse	Primary Hostname - boston.accountservergroup.com
X-AntiAbuse	Original Domain - python.org
X-AntiAbuse	Originator/Caller UID/GID - [47 12] / [47 12]
X-AntiAbuse	Sender Address Domain - tim.thechases.com
X-Get-Message-Sender-Via	boston.accountservergroup.com: authenticated_id: tim@thechases.com
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.5478.1389734284.18130.python-list@python.org> (permalink)
Lines	28
NNTP-Posting-Host	2001:888:2000:d::a6
X-Trace	1389734284 news.xs4all.nl 2912 [2001:888:2000:d::a6]:44074
X-Complaints-To	abuse@xs4all.nl
Xref	csiph.com comp.lang.python:63940

Show key headers only | View raw

On 2014-01-14 13:10, Igor Korot wrote:
> Hi, ALL,
> C:\Documents and Settings\Igor.FORDANWORK\Desktop\winpdb>python
> Python 2.7.5 (default, May 15 2013, 22:43:36) [MSC v.1500 32 bit
> (Intel)] on win32
> Type "help", "copyright", "credits" or "license" for more
> information.
> >>> dict = {}
> >>> dict[(1,2)] = ('a','b')
> >>> dict[(3,4)] = ('c','d')
> >>> for (key1,key2),(value1,value2) in dict:
> 
> What am I doing wrong?

You should iterate over either dict.items() or dict.iteritems()

Also, it's bad practice to shadow the builtin "dict()", so I'd choose
another name:

  d = {}
  d[(1, 2)] = ('a', 'b')
  d[(3, 4)] = ('c', 'd')
  for (k1, k2), (v1, v2) in d.iteritems():
    do_something(k1, k2, v1, v2)

-tkc

Back to comp.lang.python | Previous | Next | Find similar | Unroll thread

Thread

Re: dictionary with tuples Tim Chase <python.list@tim.thechases.com> - 2014-01-14 15:18 -0600

csiph-web