Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > comp.lang.python > #54664

Re: Help with python functions?

Path csiph.com!usenet.pasdenom.info!gegeweb.org!usenet-fr.net!nerim.net!novso.com!newsfeed.xs4all.nl!newsfeed4.news.xs4all.nl!xs4all!newsgate.cistron.nl!newsgate.news.xs4all.nl!post.news.xs4all.nl!not-for-mail
Return-Path <python-python-list@m.gmane.org>
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; 'received:80.91': 0.09; 'received:80.91.229': 0.09; 'received:gmane.org': 0.09; 'received:list': 0.09; 'subject:Help': 0.11; 'def': 0.12; 'jan': 0.12; "('c',": 0.16; '23,': 0.16; '32)': 0.16; '32,': 0.16; 'received:80.91.229.3': 0.16; 'received:plane.gmane.org': 0.16; 'reedy': 0.16; 'subject:python': 0.16; 'wrote:': 0.18; 'tests': 0.22; 'header:User-Agent:1': 0.23; 'mon,': 0.24; 'values': 0.27; 'header:X-Complaints-To:1': 0.27; 'header:In-Reply-To:1': 0.27; '-0700,': 0.31; "d'aprano": 0.31; 'sep': 0.31; 'steven': 0.31; 'yourself.': 0.31; 'skip:c 30': 0.32; 'run': 0.32; 'monday,': 0.33; 'subject:with': 0.35; 'something': 0.35; 'next': 0.36; 'subject:?': 0.36; 'similar': 0.36; 'to:addr:python-list': 0.38; 'pm,': 0.38; 'to:addr:python.org': 0.39; 'received:org': 0.40; 'how': 0.40; 'received:173': 0.61; "you're": 0.61; 'email addr:gmail.com': 0.63; 'received:fios.verizon.net': 0.84; 'careful': 0.91; '2013': 0.98
X-Injected-Via-Gmane http://gmane.org/
To python-list@python.org
From Terry Reedy <tjreedy@udel.edu>
Subject Re: Help with python functions?
Date Mon, 23 Sep 2013 18:48:20 -0400
References <e484b709-1287-4e6a-bc43-05f02a608579@googlegroups.com> <5240489d$0$29992$c3e8da3$5496439d@news.astraweb.com> <66aa7d75-a819-4b21-9f1e-7ad265996150@googlegroups.com>
Mime-Version 1.0
Content-Type text/plain; charset=UTF-8; format=flowed
Content-Transfer-Encoding 7bit
X-Gmane-NNTP-Posting-Host pool-173-75-251-66.phlapa.fios.verizon.net
User-Agent Mozilla/5.0 (Windows NT 6.1; WOW64; rv:24.0) Gecko/20100101 Thunderbird/24.0
In-Reply-To <66aa7d75-a819-4b21-9f1e-7ad265996150@googlegroups.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 <python-list.python.org>
List-Unsubscribe <https://mail.python.org/mailman/options/python-list>, <mailto:python-list-request@python.org?subject=unsubscribe>
List-Archive <http://mail.python.org/pipermail/python-list/>
List-Post <mailto:python-list@python.org>
List-Help <mailto:python-list-request@python.org?subject=help>
List-Subscribe <https://mail.python.org/mailman/listinfo/python-list>, <mailto:python-list-request@python.org?subject=subscribe>
Newsgroups comp.lang.python
Message-ID <mailman.281.1379976512.18130.python-list@python.org> (permalink)
Lines 32
NNTP-Posting-Host 2001:888:2000:d::a6
X-Trace 1379976512 news.xs4all.nl 15968 [2001:888:2000:d::a6]:33563
X-Complaints-To abuse@xs4all.nl
Xref csiph.com comp.lang.python:54664

Show key headers only | View raw

On 9/23/2013 6:32 PM, kjakupak@gmail.com wrote:
> On Monday, September 23, 2013 9:56:45 AM UTC-4, Steven D'Aprano wrote:
>> On Mon, 23 Sep 2013 05:57:34 -0700, kjakupak wrote:
>>
>> Now you're done! On to the next function...
>>
>>
>>
>> --
>>
>> Steven
>
> def temp(T, from_unit, to_unit):
>      conversion_table = {('c', 'k'):lambda x: x + 273.15,
>                          ('c', 'f'):lambda x: (x * (9.0/5)) + 32,
>                          ('k', 'c'):lambda x: x - 273.15,
>                          ('k', 'f'):lambda x: (x * (9.0/5)) - 459.67,
>                          ('f', 'c'):lambda x: (x - 32) * (5.0/9),
>                          ('f', 'k'):lambda x: (x + 459.67) * (5.0/9)}
>      f = conversion_table[(from_unit.lower(), to_unit.lower())]
>      return f(T)

What happens if you run some tests? If you use unittest, you can use the 
assertAlmostEqualMethod, or just write something similar yourself. Be 
careful with values near 0..

At minimum, how many tests do you need, 6 or 9?


-- 
Terry Jan Reedy

Back to comp.lang.python | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread

Thread

Help with python functions? kjakupak@gmail.com - 2013-09-23 05:57 -0700
  Re: Help with python functions? Roy Smith <roy@panix.com> - 2013-09-23 09:11 -0400
  Re: Help with python functions? Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-09-23 13:56 +0000
    Re: Help with python functions? kjakupak@gmail.com - 2013-09-23 15:32 -0700
      Re: Help with python functions? Terry Reedy <tjreedy@udel.edu> - 2013-09-23 18:48 -0400
      Re: Help with python functions? Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-09-24 03:08 +0000
      Re: Help with python functions? Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-09-24 03:17 +0000
      Re: Help with python functions? giacomo boffi <pecore@pascolo.net> - 2013-09-24 18:53 +0200
        Re: Help with python functions? MRAB <python@mrabarnett.plus.com> - 2013-09-24 18:18 +0100
    Re: Help with python functions? kjakupak@gmail.com - 2013-09-23 15:55 -0700
      Re: Help with python functions? Dave Angel <davea@davea.name> - 2013-09-24 00:07 +0000
        Re: Help with python functions? kjakupak@gmail.com - 2013-09-23 18:23 -0700
          Re: Help with python functions? Dave Angel <davea@davea.name> - 2013-09-24 03:52 +0000
      Re: Help with python functions? Denis McMahon <denismfmcmahon@gmail.com> - 2013-09-24 02:12 +0000
        Re: Help with python functions? kjakupak@gmail.com - 2013-09-23 19:40 -0700
          Re: Help with python functions? Denis McMahon <denismfmcmahon@gmail.com> - 2013-09-24 14:51 +0000
            Re: Help with python functions? Denis McMahon <denismfmcmahon@gmail.com> - 2013-09-24 19:42 +0000
              Re: Help with python functions? kjakupak@gmail.com - 2013-10-01 10:53 -0700
                Re: Help with python functions? random832@fastmail.us - 2013-10-01 15:02 -0400
                Re: Help with python functions? Denis McMahon <denismfmcmahon@gmail.com> - 2013-10-01 21:45 +0000
                Re: Help with python functions? Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2013-10-01 19:19 -0400
      Re: Help with python functions? Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-09-24 03:15 +0000
        Re: Help with python functions? Denis McMahon <denismfmcmahon@gmail.com> - 2013-09-24 15:02 +0000

csiph-web