Path: csiph.com!fu-berlin.de!uni-berlin.de!not-for-mail From: Random832 Newsgroups: comp.lang.python Subject: Re: Strange range Date: Fri, 01 Apr 2016 10:39:45 -0400 Lines: 15 Message-ID: References: <87y48xjwqq.fsf@elektro.pacujo.net> <56fe76f2$0$22141$c3e8da3$5496439d@news.astraweb.com> <87twjlju3i.fsf@elektro.pacujo.net> Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 7bit X-Trace: news.uni-berlin.de SBl7iYx+Oy/Sb3aqKeuhCw7bLNvZLaOFvPMypmrvWgow== Return-Path: X-Original-To: python-list@python.org Delivered-To: python-list@mail.python.org X-Spam-Status: OK 0.008 X-Spam-Evidence: '*H*': 0.98; '*S*': 0.00; 'none:': 0.05; 'received:internal': 0.09; 'python': 0.10; 'assume': 0.11; 'def': 0.13; 'message-id:@webmail.messagingengine.com': 0.16; 'received:10.202': 0.16; 'received:10.202.2': 0.16; 'received:66.111': 0.16; 'received:66.111.4': 0.16; 'received:io': 0.16; 'received:messagingengine.com': 0.16; 'received:psf.io': 0.16; 'xrange': 0.16; 'wrote:': 0.16; 'latter': 0.22; 'header:In- Reply-To:1': 0.24; 'example': 0.26; 'fri,': 0.27; 'start,': 0.27; 'yield': 0.27; 'realize': 0.32; 'similar': 0.33; 'step': 0.36; 'to:addr:python-list': 0.36; 'subject:: ': 0.37; 'received:10': 0.37; 'thought': 0.37; 'things': 0.38; 'received:66': 0.38; 'end': 0.39; 'to:addr:python.org': 0.40; 'your': 0.60; 'header:Message- Id:1': 0.61; 'caused': 0.61; 'more': 0.63; 'was:': 0.66; 'funny': 0.83 DKIM-Signature: v=1; a=rsa-sha1; c=relaxed/relaxed; d=fastmail.com; h= content-transfer-encoding:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to:x-sasl-enc :x-sasl-enc; s=mesmtp; bh=toquuCG/cB93DYk8MYCOtAlCWto=; b=sRgMfY Sek1Bcllw9WLBOMolUA0YSkxJkwILbMp74CuJ9v53Ys0D3S/OD0ifR7mt5lrvaGP +Njj4BYFS7Q+aQp5l1kQnUnBTSaqcd1uIbph1uuSLPCoOPe5RGyW2bss9cjqogQO rxtgovYlQP7vSP78WwSL7vd7qfPPRaRpE+ACc= DKIM-Signature: v=1; a=rsa-sha1; c=relaxed/relaxed; d= messagingengine.com; h=content-transfer-encoding:content-type :date:from:in-reply-to:message-id:mime-version:references :subject:to:x-sasl-enc:x-sasl-enc; s=smtpout; bh=toquuCG/cB93DYk 8MYCOtAlCWto=; b=V+osaSWHut4Ji7ipbULEGtMONP8AMreF/9tl+OJTzsExuTx nZiJAqWXu0Jf8qRAyjYvR1F6iB/0ODoFikLKS1Wt5eZN1pUM7oxbeFTA2MWxQeUw g1dmjQaxFrdGIEYyLqhs5orkJOkuzKdVsrA/CCQpcAxNqszrYTge/xEwgnsk= X-Sasl-Enc: JFRx3DR3PSUUWd8igz4rbfwEXOGt65fUj5Wym9EaOSwu 1459521585 X-Mailer: MessagingEngine.com Webmail Interface - ajax-2373d6a1 In-Reply-To: <87twjlju3i.fsf@elektro.pacujo.net> X-BeenThere: python-list@python.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: General discussion list for the Python programming language List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Xref: csiph.com comp.lang.python:106230 On Fri, Apr 1, 2016, at 10:12, Marko Rauhamaa wrote: > Yes, I realize it now. I had thought it was: > > def range(start, end=None, step=1): > if end is None: > start, end = 0, start > i = start > while step * (end - i) > 0: > yield i > i += step You know the other funny thing? Even people who understand this about Python 3 ranges, many assume that python 2 xrange was more similar to your latter example (possibly caused by the fact that python 2 had other things such as dict.iteritems which _were_ mere iterators)