Re: Issue with my code

Path	csiph.com!newsfeed.hal-mli.net!feeder3.hal-mli.net!newsfeed.hal-mli.net!feeder2.hal-mli.net!newsfeed.xs4all.nl!newsfeed1.news.xs4all.nl!xs4all!post.news.xs4all.nl!not-for-mail
Return-Path	<sengokubasarafever@gmail.com>
X-Original-To	python-list@python.org
Delivered-To	python-list@mail.python.org
X-Spam-Status	OK 0.024
X-Spam-Evidence	'H': 0.95; 'S': 0.00; 'mrab': 0.05; 'subject:code': 0.07; 'collections': 0.09; 'iterate': 0.09; 'occurrences': 0.09; 'to:addr:comp.lang.python': 0.09; 'cc:addr :python-list': 0.10; 'iterating': 0.16; 'iterator': 0.16; 'occurs.': 0.16; 'wrote:': 0.17; 'pointed': 0.17; 'subject:Issue': 0.17; 'feb': 0.19; 'occurs': 0.22; 'cc:20': 0.23; 'this:': 0.23; 'cc:no real name:20': 0.24; 'cc:addr:python.org': 0.25; 'header :In-Reply-To:1': 0.25; 'header:User-Agent:1': 0.26; 'module.': 0.27; 'this?': 0.28; 'character': 0.29; 'starts': 0.29; 'checks': 0.30; 'times.': 0.33; 'another': 0.33; 'received:google.com': 0.34; 'list': 0.35; 'pm,': 0.35; 'received:209.85': 0.35; 'but': 0.36; 'characters': 0.36; 'subject:with': 0.36; 'too': 0.36; 'two': 0.37; 'received:209': 0.37; 'received:209.85.216': 0.37; 'subject:: ': 0.38; 'delete': 0.38; 'build': 0.39; 'list,': 0.39; 'skip:" 10': 0.40; 'repeat': 0.62; 'times': 0.63; 'reverse': 0.65; 'counts': 0.81; '2013': 0.84; 'dict,': 0.84; 'checks.': 0.91; 'examining': 0.91; 'angel': 0.93; 'hand,': 0.97
X-Received	by 10.49.47.109 with SMTP id c13mr281882qen.3.1360095548152; Tue, 05 Feb 2013 12:19:08 -0800 (PST)
Newsgroups	comp.lang.python
Date	Tue, 5 Feb 2013 12:19:08 -0800 (PST)
In-Reply-To	<mailman.1384.1360093449.2939.python-list@python.org>
Complaints-To	groups-abuse@google.com
Injection-Info	glegroupsg2000goo.googlegroups.com; posting-host=192.138.213.253; posting-account=PfzcdwoAAACWtPiyaNT0F0B61jJ58_vo
References	<2b0eb097-e575-4d6d-a509-f4c6bd58c934@googlegroups.com> <mailman.1379.1360090617.2939.python-list@python.org> <db762eb7-0901-4feb-bdf8-ac14aca4a711@googlegroups.com> <mailman.1384.1360093449.2939.python-list@python.org>
User-Agent	G2/1.0
X-Google-Web-Client	true
X-Google-IP	192.138.213.253
MIME-Version	1.0
Subject	Re: Issue with my code
From	maiden129 <sengokubasarafever@gmail.com>
To	comp.lang.python@googlegroups.com
Content-Type	text/plain; charset=ISO-8859-1
Cc	python-list@python.org
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>
Message-ID	<mailman.1386.1360095557.2939.python-list@python.org> (permalink)
Lines	87
NNTP-Posting-Host	2001:888:2000:d::a6
X-Trace	1360095557 news.xs4all.nl 6873 [2001:888:2000:d::a6]:59267
X-Complaints-To	abuse@xs4all.nl
Xref	csiph.com comp.lang.python:38227

Show key headers only | View raw

How to reverse the two loops?

On Tuesday, February 5, 2013 2:43:47 PM UTC-5, Dave Angel wrote:
> On 02/05/2013 02:20 PM, maiden129 wrote:
> 
> > On Tuesday, February 5, 2013 1:56:55 PM UTC-5, marduk wrote:
> 
> >> On Tue, Feb 5, 2013, at 01:38 PM, maiden129 wrote:
> 
> >>
> 
> <Snipping double-spaced googlegroups trash>
> 
> >
> 
> > when I removed "s.remove(i), it starts to repeat the number of occurrences too
> 
> >
> 
> > many times like this:
> 
> >
> 
> > 2 occurs 3 times.
> 
> > 2 occurs 3 times.
> 
> > 3 occurs 3 times.
> 
> > 3 occurs 3 times.
> 
> > 2 occurs 3 times.
> 
> > 2 occurs 3 times.
> 
> > 5 occurs 1 time.
> 
> > 3 occurs 3 times.
> 
> > 3 occurs 3 times.
> 
> > 4 occurs 1 time.
> 
> > 3 occurs 3 times.
> 
> > 3 occurs 3 times.
> 
> > 1 occurs 1 time.
> 
> > 2 occurs 3 times.
> 
> > 2 occurs 3 times.
> 
> >
> 
> > How can I stop this?
> 
> >
> 
> 
> 
> As MRAB pointed out, don't delete items from a list you're iterating 
> 
> over.  It can make the iterator go nuts.  He suggests the collections 
> 
> module.
> 
> 
> 
> But if you want to do it by hand, one approach is to reverse the two 
> 
> loops.  Iterate over the characters in CheckS list, examining the entire 
> 
> s list for each one and figuring out how many times the character occurs.
> 
> 
> 
> Another approach is to build a dict, or a defaultdict, to keep counts 
> 
> for each of the characters in CheckS.
> 
> 
> 
> -- 
> 
> DaveA

Thread

Issue with my code maiden129 <sengokubasarafever@gmail.com> - 2013-02-05 10:38 -0800
  Re: Issue with my code maiden129 <sengokubasarafever@gmail.com> - 2013-02-05 10:43 -0800
  Re: Issue with my code marduk <marduk@python.net> - 2013-02-05 13:56 -0500
    Re: Issue with my code maiden129 <sengokubasarafever@gmail.com> - 2013-02-05 11:20 -0800
      Re: Issue with my code Dave Angel <davea@davea.name> - 2013-02-05 14:43 -0500
        Re: Issue with my code maiden129 <sengokubasarafever@gmail.com> - 2013-02-05 12:19 -0800
        Re: Issue with my code maiden129 <sengokubasarafever@gmail.com> - 2013-02-05 12:19 -0800
          Re: Issue with my code darnold <darnold992000@yahoo.com> - 2013-02-05 13:37 -0800
            Re: Issue with my code marduk <marduk@python.net> - 2013-02-05 17:05 -0500
              Re: Issue with my code darnold <darnold992000@yahoo.com> - 2013-02-05 14:25 -0800
    Re: Issue with my code maiden129 <sengokubasarafever@gmail.com> - 2013-02-05 11:20 -0800
  Re: Issue with my code MRAB <python@mrabarnett.plus.com> - 2013-02-05 19:06 +0000
  Re: Issue with my code Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2013-02-05 17:20 -0500
  Re: Issue with my code Terry Reedy <tjreedy@udel.edu> - 2013-02-05 19:06 -0500
  Re: Issue with my code rusi <rustompmody@gmail.com> - 2013-02-05 22:29 -0800
    Re: Issue with my code rusi <rustompmody@gmail.com> - 2013-02-05 22:32 -0800

csiph-web