Path: csiph.com!goblin1!goblin.stu.neva.ru!uio.no!news.tele.dk!news.tele.dk!small.news.tele.dk!newsgate.cistron.nl!newsgate.news.xs4all.nl!nzpost1.xs4all.net!not-for-mail Return-Path: X-Original-To: python-list@python.org Delivered-To: python-list@mail.python.org X-Spam-Status: OK 0.003 X-Spam-Evidence: '*H*': 0.99; '*S*': 0.00; 'float': 0.05; 'cc:addr :python-list': 0.09; 'received:openend.se': 0.09; 'received:theraft.openend.se': 0.09; 'advance': 0.10; 'output': 0.13; 'cc:addr:lac': 0.16; 'cc:addr:openend.se': 0.16; 'from:addr:lac': 0.16; 'from:addr:openend.se': 0.16; 'from:name:laura creighton': 0.16; 'googled': 0.16; 'help?': 0.16; 'message-id:@fido.openend.se': 0.16; 'received:fido': 0.16; 'received:fido.openend.se': 0.16; 'string': 0.17; 'element': 0.18; 'laura': 0.18; '>>>': 0.20; '2015': 0.20; 'cc:addr:python.org': 0.20; 'cc:2**1': 0.22; 'sep': 0.22; 'select': 0.23; 'elements': 0.23; 'subject:list': 0.26; '-0700,': 0.29; 'follows': 0.29; 'received:se': 0.29; 'cc:no real name:2**1': 0.29; 'convert': 0.29; 'print': 0.30; 'skip:[ 10': 0.31; 'third': 0.33; 'list': 0.34; 'subject:: ': 0.37; 'charset:us-ascii': 0.37; 'list.': 0.37; 'does': 0.39; 'entire': 0.61; 'header:Message-Id:1': 0.61; 'interest': 0.64; 'saw': 0.77; 'header:In-reply-to:1': 0.84; 'starters,': 0.84; 'email addr:hotmail.com': 0.89; 'to:addr:hotmail.com': 0.98 To: forums_mp@hotmail.com cc: python-list@python.org, lac@openend.se From: Laura Creighton Subject: Re: convert element in a list to float In-reply-to: <417abfa4-e7c7-4573-83ed-50b8a5aca2b2@googlegroups.com> References: <417abfa4-e7c7-4573-83ed-50b8a5aca2b2@googlegroups.com> Comments: In-reply-to forums_mp@hotmail.com message dated "Sun, 13 Sep 2015 12:55:13 -0700." MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-ID: <3623.1442178175.1@fido> Content-Transfer-Encoding: quoted-printable Date: Sun, 13 Sep 2015 23:02:55 +0200 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.3.9 (theraft.openend.se [82.96.5.2]); Sun, 13 Sep 2015 23:03:00 +0200 (CEST) X-BeenThere: python-list@python.org X-Mailman-Version: 2.1.20+ 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: 32 NNTP-Posting-Host: 2001:888:2000:d::a6 X-Trace: 1442178190 news.xs4all.nl 23804 [2001:888:2000:d::a6]:55768 X-Complaints-To: abuse@xs4all.nl Xref: csiph.com comp.lang.python:96528 In a message of Sun, 13 Sep 2015 12:55:13 -0700, forums_mp@hotmail.com wri= tes: > > >For starters, I googled and saw a plethora of writings on how to convert = an entire list from string to float. My interest is on select elements i= n the list. The output from the print statement: print scenarioList = > = >is as follows > >[ '3000000', '"N"', '11400000', '"E"' ] > >I need to convert the first and third element to float. = > lat =3D ( float ) scenarioList [ 0 ] > lon =3D ( float ) scenarioList [ 2 ] > >fails (invalid syntax). How can I achieve my objective. = > >Thanks in advance Does this help? >>> l =3D [ '3000000', '"N"', '11400000', '"E"' ] >>> [float(l[0]), l[1], float(l[2]), l[3]] [3000000.0, '"N"', 11400000.0, '"E"'] Laura