Path: csiph.com!v102.xanadu-bbs.net!xanadu-bbs.net!news.mixmin.net!feeds.phibee-telecom.net!newsfeed.xs4all.nl!newsfeed3.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 0.001 X-Spam-Evidence: '*H*': 1.00; '*S*': 0.00; 'python.': 0.02; 'from:addr:yahoo.co.uk': 0.04; 'mrab': 0.05; 'that?': 0.05; 'item,': 0.09; 'item.': 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; 'python': 0.11; 'language.': 0.14; 'buy.': 0.16; 'dict': 0.16; 'help?': 0.16; 'received:80.91.229.3': 0.16; 'received:plane.gmane.org': 0.16; 'language': 0.16; 'wrote:': 0.18; 'trying': 0.19; 'items.': 0.19; 'command': 0.22; '>>>': 0.22; 'example': 0.22; 'print': 0.22; 'header:User-Agent:1': 0.23; 'mon,': 0.24; "haven't": 0.24; 'looks': 0.24; 'this:': 0.26; 'second': 0.26; 'header:X-Complaints-To:1': 0.27; 'header:In- Reply-To:1': 0.27; "doesn't": 0.30; '+0100,': 0.31; 'anyone': 0.31; 'this.': 0.32; 'another': 0.32; 'knows': 0.35; 'something': 0.35; 'done.': 0.35; 'subject:lists': 0.35; 'add': 0.35; 'there': 0.35; 'done': 0.36; 'doing': 0.36; 'turn': 0.37; 'list': 0.37; 'list.': 0.37; 'starting': 0.37; 'to:addr:python-list': 0.38; 'does': 0.39; 'to:addr:python.org': 0.39; 'received:org': 0.40; 'how': 0.40; 'commands': 0.60; 'new': 0.61; 'no.': 0.61; 'numbers': 0.61; 'range': 0.61; 'making': 0.63; 'maximum': 0.63; 'our': 0.64; 'charset:windows-1252': 0.65; 'price': 0.69; 'now)': 0.84; 'received:2': 0.84; 'stores.': 0.84 X-Injected-Via-Gmane: http://gmane.org/ To: python-list@python.org From: Mark Lawrence Subject: Re: Building lists Date: Mon, 20 Oct 2014 20:57:52 +0100 References: <6jpa4ahhc8ln7hk8s0258hvqd3io51epa0@4ax.com> Mime-Version: 1.0 Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit X-Gmane-NNTP-Posting-Host: host-2-100-225-60.as13285.net User-Agent: Mozilla/5.0 (Windows NT 6.3; WOW64; rv:31.0) Gecko/20100101 Thunderbird/31.2.0 In-Reply-To: <6jpa4ahhc8ln7hk8s0258hvqd3io51epa0@4ax.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 List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Newsgroups: comp.lang.python Message-ID: Lines: 56 NNTP-Posting-Host: 2001:888:2000:d::a6 X-Trace: 1413835207 news.xs4all.nl 2851 [2001:888:2000:d::a6]:58345 X-Complaints-To: abuse@xs4all.nl Xref: csiph.com comp.lang.python:79331 On 20/10/2014 20:49, Seymore4Head wrote: > On Mon, 20 Oct 2014 20:40:18 +0100, MRAB > wrote: > >> On 2014-10-20 19:10, Seymore4Head wrote: >>> I haven't had a lot of practice doing this. If anyone knows of a site >>> I would appreciate it. >>> >>> Will Python work like this: >>> I am trying to come up with an example and work to it. Say I want a >>> Grocery list and it will have a maximum size of 50 items. >>> >>> I want to do this with one list. >>> Make a list of 0-50. >>> Then can I add to that list so the second item will hold something >>> like cheese, eggs, milk. >>> Say then I want to add the price of cheese, eggs and milk. >>> Say then I want to add another list of price of cheese, eggs milk from >>> another store. >>> >>> Can this be done starting with just a list of numbers from 0-50? >>> Please no hints, just answer directly how it is done. >>> >>> for store in range (50): >>> print store >>> >>> How can I add to store where it looks like this: >>> (0,cheese, 1,eggs 2,milk , 3-50,blank for now) >>> >> The grocery list would be a list of the things you want to buy. >> >> There are a number of stores, so that would be a list of stores. For >> each store you want the price of each item, so that would be a dict >> where the key is the item and the value is the price of that item. That >> means it would be a list of dicts. >> >> Does that help? > > No. I am pretty new to Python. > > For starters I would like to know if you can make a single item list > and then turn it into a 2 item list. Is there a command for that? > > Do you have to know the number of items the list will have before > making it? > Python doesn't have commands and no. Perhaps you'd care to (re)read the tutorial. -- My fellow Pythonistas, ask not what our language can do for you, ask what you can do for our language. Mark Lawrence