Path: csiph.com!usenet.pasdenom.info!gegeweb.org!de-l.enfer-du-nord.net!feeder1.enfer-du-nord.net!feeds.phibee-telecom.net!newsfeed.xs4all.nl!newsfeed2.news.xs4all.nl!xs4all!post.news.xs4all.nl!not-for-mail Return-Path: X-Original-To: python-list@python.org Delivered-To: python-list@mail.python.org X-Spam-Status: OK 0.095 X-Spam-Evidence: '*H*': 0.83; '*S*': 0.02; 'subject:not': 0.03; 'cc:addr:python-list': 0.11; 'coordinates': 0.16; 'loops': 0.16; 'once.': 0.16; 'fix': 0.17; 'wrote:': 0.18; 'reset': 0.22; 'cc:addr:python.org': 0.22; 'replace': 0.24; 'cc:2**0': 0.24; 'header:In-Reply-To:1': 0.27; 'message-id:@mail.gmail.com': 0.30; 'code': 0.31; '(unless': 0.31; 'ball': 0.31; 'file': 0.32; 'run': 0.32; 'text': 0.33; 'says': 0.33; 'running': 0.33; 'fri,': 0.33; 'but': 0.35; 'received:google.com': 0.35; 'there': 0.35; 'list': 0.37; 'pm,': 0.38; 'times': 0.62; 'to:addr:gmail.com': 0.65; '26,': 0.68; 'subject:For': 0.78; 'oscar': 0.84; 'otten': 0.84; 'dirty': 0.93; '2013': 0.98 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=x-received:mime-version:in-reply-to:references:from:date:message-id :subject:to:cc:content-type; bh=06cDDfJYH0zPwR13sTx/NPntT6rK7El+ct2VX0qrdKA=; b=dLMNlwwPpOzmhmETqAecCQa2v+GqxUb6eeXoPYBnPz4u7H5R/W7qUA20XyPp5EkCEQ zpCnogzLTxaGzjmm7Fz+4IiemXqedyeu+I7lFi07QQgyKzwcQJAjgc9kRa8u7u6AZeKH KBuN/LN+NPTqk6EQUUqJzdF2Aqjoq4uFt//rIzCmTsYNt+7gNiikyYqf2MnvaPHN/7le Y1HgNC+kmVg2PLzM34tLqHQgRmSIWclzeFuTfREpvRPl6eJLvhk77T52V9K6jxj2m2DT I/PTyd1fmWDZvTAjz0JaZqjjVVtDxO9VQMqZ4lmuJirjpxuph8oP4A7m3t+9GC/vFtgd NXIg== X-Received: by 10.220.146.82 with SMTP id g18mr20847071vcv.54.1366969466351; Fri, 26 Apr 2013 02:44:26 -0700 (PDT) MIME-Version: 1.0 In-Reply-To: References: From: Oscar Benjamin Date: Fri, 26 Apr 2013 10:44:06 +0100 Subject: Re: Nested For loop not running full To: inshu chauhan 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 List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Newsgroups: comp.lang.python Message-ID: Lines: 28 NNTP-Posting-Host: 2001:888:2000:d::a6 X-Trace: 1366969475 news.xs4all.nl 15999 [2001:888:2000:d::a6]:48279 X-Complaints-To: abuse@xs4all.nl Xref: csiph.com comp.lang.python:44402 On 26 April 2013 10:36, inshu chauhan wrote: > > On Fri, Apr 26, 2013 at 2:39 PM, Peter Otten <__peter__@web.de> wrote: >> >> My crystal ball says that the 'for sy...' and 'for sx...' loops are >> running >> to completion, but you don't get the coordinates printed because you put >> them into the 'for l in f' loop which will only run once. > > Is there any means by which I can run this 'For l in f' loop again and again > ? >> >> The quick and dirty fix is to replace >> >> f = open(...) >> >> in the code you are not showing with >> >> f == list(open(...)) > > f is just a text file(csv format).. so why list ?? So that you can run the for l in f loop again and again. You can loop over a list as many times as you like but only once over a file (unless you reset the file pointer). Oscar