Path: csiph.com!newsfeed.hal-mli.net!feeder3.hal-mli.net!newsfeed.hal-mli.net!feeder1.hal-mli.net!newsfeed.xs4all.nl!newsfeed1.news.xs4all.nl!xs4all!newsgate.cistron.nl!newsgate.news.xs4all.nl!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 0.002 X-Spam-Evidence: '*H*': 1.00; '*S*': 0.00; 'win32': 0.03; 'syntax': 0.03; 'puts': 0.07; 'python': 0.09; 'lawrence': 0.09; 'received:80.91': 0.09; 'received:80.91.229': 0.09; 'received:gmane.org': 0.09; 'received:list': 0.09; 'sep': 0.09; 'cases': 0.15; 'help?': 0.16; 'really?': 0.16; 'received:80.91.229.3': 0.16; 'received:plane.gmane.org': 0.16; 'syntaxerror:': 0.16; 'wed,': 0.16; 'wrote:': 0.17; '>>>': 0.18; 'define': 0.20; 'bit': 0.21; '"",': 0.22; 'example': 0.23; 'script': 0.24; 'header:In-Reply-To:1': 0.25; 'header:User- Agent:1': 0.26; 'skip:" 20': 0.26; 'header:X-Complaints-To:1': 0.28; 'skip:( 20': 0.28; '+0100,': 0.29; 'decimal': 0.29; 'subject:numbers': 0.29; 'url:python': 0.32; 'file': 0.32; 'from:addr:yahoo.co.uk': 0.32; 'print': 0.32; 'to:addr:python- list': 0.33; 'list': 0.35; 'so,': 0.35; 'doing': 0.35; 'received:org': 0.36; 'but': 0.36; 'url:org': 0.36; 'url:library': 0.36; 'subject:: ': 0.38; 'mark': 0.38; 'things': 0.38; 'url:docs': 0.38; 'instead': 0.39; 'to:addr:python.org': 0.39; 'header:Received:5': 0.40; 'further': 0.61; 'more': 0.63; 'hours': 0.66; '2013': 0.84; 'case?': 0.84; 'otten': 0.84; 'url:string': 0.84; 'ana': 0.91; 'subject:Lists': 0.93 X-Injected-Via-Gmane: http://gmane.org/ To: python-list@python.org From: Mark Lawrence Subject: Re: Lists and Decimal numbers Date: Wed, 20 Mar 2013 19:53:53 +0000 References: <9d8e4386-e6f5-4303-8a6a-be2a16e45ce7@googlegroups.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Gmane-NNTP-Posting-Host: host-92-18-20-125.as13285.net User-Agent: Mozilla/5.0 (Windows NT 6.0; rv:17.0) Gecko/20130307 Thunderbird/17.0.4 In-Reply-To: X-Antivirus: avast! (VPS 130311-2, 11/03/2013), Outbound message X-Antivirus-Status: Clean 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: 68 NNTP-Posting-Host: 2001:888:2000:d::a6 X-Trace: 1363809193 news.xs4all.nl 6868 [2001:888:2000:d::a6]:42561 X-Complaints-To: abuse@xs4all.nl Xref: csiph.com comp.lang.python:41619 On 20/03/2013 19:20, Alister wrote: > On Wed, 20 Mar 2013 16:52:00 +0100, Peter Otten wrote: > >> Ana Dionísio wrote: >> >>> So, I have this script that puts in a list every minute in 24 hours >>> >>> hour=[] >>> i=0 t=-(1.0/60.0) >>> while i<24*60: >>> i = i+1 t = t+(1.0/60.0) >>> hour.append([t]) >> >> In many cases you can write >> >> for i in range(...): >> ... >> >> instead of incrementing manually. >> >>> When it is doing the cicle it can have all the decimal numbers, but I >>> need to print the result with only 4 decimal numbers >>> >>> How can I define the number of decimal numbers I want to print in this >>> case? For example with 4 decimal numbers, it would print: >>> >>> 0.0000 0.0167 0.0333 ... >>> >>> Can you help? >> >> >>>>> for i in range(24*60): >> ... print "{:.4f}".format(i/60.0) >> ... >> 0.0000 0.0167 0.0333 0.0500 [...] >> 23.9500 23.9667 23.9833 >>>>> >>>>> >> See also >> >> language> > > > and a list comprehension would streamline things further > > t=[round(x*1.0/60),4 for x in range(1440)] #compatible with V2.7 & V3.0) > Really? c:\Users\Mark\Python>python Python 3.3.0 (v3.3.0:bd8afb90ebf2, Sep 29 2012, 10:55:48) [MSC v.1600 32 bit (Intel)] on win32 Type "help", "copyright", "credits" or "license" for more information. >>> t=[round(x*1.0/60),4 for x in range(1440)] #compatible with V2.7 & V3.0) File "", line 1 t=[round(x*1.0/60),4 for x in range(1440)] #compatible with V2.7 & V3.0) ^ SyntaxError: invalid syntax -- Cheers. Mark Lawrence