Path: csiph.com!usenet.pasdenom.info!weretis.net!feeder4.news.weretis.net!feeds.phibee-telecom.net!newsfeed.xs4all.nl!newsfeed2.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 0.061 X-Spam-Evidence: '*H*': 0.88; '*S*': 0.00; 'calculating': 0.09; 'guys!': 0.09; 'lines.': 0.09; 'cc:addr:python-list': 0.11; 'subject:Help': 0.11; 'jan': 0.12; 'defined.': 0.16; 'subtract': 0.16; 'subject:python': 0.16; 'wrote:': 0.18; '3.0': 0.19; 'received:10.0.1': 0.19; 'feb': 0.22; 'cc:addr:python.org': 0.22; 'print': 0.22; 'url:home': 0.24; 'guys': 0.24; 'question': 0.24; 'cc:2**0': 0.24; 'cc:no real name:2**0': 0.24; 'defined': 0.27; 'header:In-Reply-To:1': 0.27; 'am,': 0.29; 'url:mailman': 0.30; 'code': 0.31; 'that.': 0.31; '-0700,': 0.31; 'subject:some': 0.31; 'you\x92re': 0.31; 'another': 0.32; 'url:python': 0.33; 'fri,': 0.33; 'could': 0.34; 'subject:with': 0.35; 'problem.': 0.35; 'but': 0.35; 'url:listinfo': 0.36; 'thanks': 0.36; 'received:10.0': 0.36; 'url:org': 0.36; 'received:10': 0.37; 'url:mail': 0.40; 'even': 0.60; 'removing': 0.60; 'header:Message- Id:1': 0.63; 'different': 0.65; 'chance': 0.65; 'charset:windows-1252': 0.65; 'price': 0.69; 'price.': 0.74; '100%': 0.77; '2014,': 0.84; '40%': 0.84; 'have?': 0.84; 'discount': 0.87; 'scott': 0.93 X-CT-Class: Clean X-CT-Score: 0.00 X-CT-RefID: str=0001.0A020201.52EDE05B.00FC,ss=1,re=0.000,fgs=0 X-CT-Spam: 0 X-Authority-Analysis: v=2.0 cv=E9kTU9hl c=1 sm=1 a=MB85R812cvcrhCHz/P2OVA==:17 a=lYmbDxrgSswA:10 a=G8Uczd0VNMoA:10 a=N659UExz7-8A:10 a=kviXuzpPAAAA:8 a=IFej2vUWUj8A:10 a=QrVWhbZvAAAA:8 a=8AHkEIZyAAAA:8 a=ReWRcmb8sHiylbkHIwIA:9 a=pILNOxqGKmIA:10 a=4vB-4DCPJfMA:10 a=MB85R812cvcrhCHz/P2OVA==:117 X-CM-Score: 0.00 Authentication-Results: cox.net; auth=pass (PLAIN) smtp.auth=swdunning@cox.net Content-Type: text/plain; charset=windows-1252 Mime-Version: 1.0 (Mac OS X Mail 7.1 \(1827\)) Subject: Re: Help with some python homework... From: Scott W Dunning In-Reply-To: Date: Sat, 1 Feb 2014 23:06:18 -0700 Content-Transfer-Encoding: quoted-printable References: <02c4c69d-71f1-4a01-86df-d4d5a7ffb3f5@googlegroups.com> To: Dennis Lee Bieber X-Mailer: Apple Mail (2.1827) 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: 41 NNTP-Posting-Host: 2001:888:2000:d::a6 X-Trace: 1391321188 news.xs4all.nl 2833 [2001:888:2000:d::a6]:35162 X-Complaints-To: abuse@xs4all.nl Xref: csiph.com comp.lang.python:65252 Yeah you=92re right I didn=92t even notice that. For some reason I just = added the 60 instead of using quantity which had been defined. =20 On Feb 1, 2014, at 8:50 AM, Dennis Lee Bieber = wrote: > On Fri, 31 Jan 2014 22:18:34 -0700, Scott W Dunning = > declaimed the following: >=20 >> Any chance you guys could help with another question I have? Below = is a code to a different problem. The only thing I don=92t understand = is why when calculating the 'discounted price=92 you have to subtract 1? = Thanks again guys! =20 >>=20 >=20 > Because the discount rate you have is the amount taken OFF the = price. > But you need the price AFTER removing the discount amount 100% (1.0) - = 40% > (0.4) discount =3D> 60% (0.6) final price >=20 >> price_per_book =3D 24.95 >> discount =3D .40 >> quantity =3D 60 >> discounted_price =3D (1-discount) * price_per_book >> shipping =3D 3.0 + (60 - 1) * .75 >> total_price =3D 60 * discounted_price + shipping >> print total_price, 'Total price' >>=20 > You defined "quantity" but then never used it in the shipping = and > total_price lines. > --=20 > Wulfraed Dennis Lee Bieber AF6VN > wlfraed@ix.netcom.com HTTP://wlfraed.home.netcom.com/ >=20 > --=20 > https://mail.python.org/mailman/listinfo/python-list