Re: howto handle nested for

Path	csiph.com!usenet.pasdenom.info!weretis.net!feeder1.news.weretis.net!news.albasani.net!newsfeed.freenet.ag!news2.euro.net!newsgate.cistron.nl!newsgate.news.xs4all.nl!post.news.xs4all.nl!not-for-mail
Return-Path	<python-python-list@m.gmane.org>
X-Original-To	python-list@python.org
Delivered-To	python-list@mail.python.org
X-Spam-Status	OK 0.006
X-Spam-Evidence	'H': 0.99; 'S': 0.00; 'received:80.91': 0.09; 'received:80.91.229': 0.09; 'received:gmane.org': 0.09; 'received:list': 0.09; 'subject:howto': 0.09; 'nesting': 0.16; 'received:80.91.229.3': 0.16; 'received:dip.t-dialin.net': 0.16; 'received:plane.gmane.org': 0.16; 'received:t-dialin.net': 0.16; 'xrange': 0.16; 'wrote:': 0.17; 'drawing': 0.17; 'fairly': 0.21; 'header:User-Agent:1': 0.26; 'looks': 0.26; 'candidate': 0.26; '(e.g.,': 0.27; 'header:X-Complaints-To:1': 0.28; "i'm": 0.29; 'maybe': 0.29; 'basic': 0.30; 'code': 0.31; 'print': 0.32; 'like:': 0.33; 'to:addr:python-list': 0.33; 'add': 0.36; 'received:org': 0.36; 'but': 0.36; 'should': 0.36; 'level': 0.37; 'subject:: ': 0.38; 'to:addr:python.org': 0.39; 'header:Received:5': 0.40; 'range': 0.60; 'sounds': 0.71; 'subject:handle': 0.84
X-Injected-Via-Gmane	http://gmane.org/
To	python-list@python.org
From	Peter Otten <__peter__@web.de>
Subject	Re: howto handle nested for
Date	Fri, 28 Sep 2012 17:53:54 +0200
Organization	None
References	<k44cr4$jtj$1@ger.gmane.org>
Mime-Version	1.0
Content-Type	text/plain; charset="ISO-8859-1"
Content-Transfer-Encoding	7Bit
X-Gmane-NNTP-Posting-Host	p50849cab.dip.t-dialin.net
User-Agent	KNode/4.7.3
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	<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.1568.1348847645.27098.python-list@python.org> (permalink)
Lines	23
NNTP-Posting-Host	2001:888:2000:d::a6
X-Trace	1348847645 news.xs4all.nl 6934 [2001:888:2000:d::a6]:57729
X-Complaints-To	abuse@xs4all.nl
Xref	csiph.com comp.lang.python:30410

Show key headers only | View raw

Neal Becker wrote:

> I know this should be a fairly basic question, but I'm drawing a blank.
> 
> I have code that looks like:
>  
>   for s0 in xrange (n_syms):
>         for s1 in xrange (n_syms):
>             for s2 in xrange (n_syms):
>                 for s3 in xrange (n_syms):
>                     for s4 in range (n_syms):
>                         for s5 in range (n_syms):
> 
> Now I need the level of nesting to vary dynamically.  (e.g., maybe I need
> to add
> for  s6 in range (n_syms))
> 
> Smells like a candidate for recursion.  Also sounds like a use for yield. 
> Any suggestions?

for s in itertools.product(range(n_syms), repeat=6):
    print s

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

Thread

Re: howto handle nested for Peter Otten <__peter__@web.de> - 2012-09-28 17:53 +0200

csiph-web