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Re: First attempt at a Python prog (Chess)

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Date Fri, 15 Feb 2013 17:52:26 +0000
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Subject Re: First attempt at a Python prog (Chess)
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On 2013-02-15 16:17, Neil Cerutti wrote:
> On 2013-02-15, Oscar Benjamin <oscar.j.benjamin@gmail.com> wrote:
>> if score > best_score or best_score is None:
>
> You need the None check first to avoid an exception from the
> comparison.
>
Only in Python 3.

> if best_score is None or score > best_score:
>

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Thread

First attempt at a Python prog (Chess) Chris Hinsley <chris.hinsley@gmail.com> - 2013-02-13 23:25 +0000
  Re: First attempt at a Python prog (Chess) Oscar Benjamin <oscar.j.benjamin@gmail.com> - 2013-02-13 23:55 +0000
    Re: First attempt at a Python prog (Chess) Chris Hinsley <chris.hinsley@gmail.com> - 2013-02-14 01:31 +0000
  Re: First attempt at a Python prog (Chess) Tim Roberts <timr@probo.com> - 2013-02-13 22:05 -0800
    Re: First attempt at a Python prog (Chess) Chris Hinsley <chris.hinsley@gmail.com> - 2013-02-14 17:48 +0000
      Re: First attempt at a Python prog (Chess) Ian Kelly <ian.g.kelly@gmail.com> - 2013-02-14 11:30 -0700
      Re: First attempt at a Python prog (Chess) Tim Roberts <timr@probo.com> - 2013-02-18 20:15 -0800
        Re: First attempt at a Python prog (Chess) Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-02-19 06:24 +0000
        Re: First attempt at a Python prog (Chess) Ian Kelly <ian.g.kelly@gmail.com> - 2013-02-19 12:41 -0700
  Re: First attempt at a Python prog (Chess) jkn <jkn_gg@nicorp.f9.co.uk> - 2013-02-14 13:14 -0800
    Re: First attempt at a Python prog (Chess) Chris Hinsley <chris.hinsley@gmail.com> - 2013-02-14 22:13 +0000
      Re: First attempt at a Python prog (Chess) Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2013-02-14 22:09 -0500
  Re: First attempt at a Python prog (Chess) Rick Johnson <rantingrickjohnson@gmail.com> - 2013-02-14 21:05 -0800
  Re: First attempt at a Python prog (Chess) Oscar Benjamin <oscar.j.benjamin@gmail.com> - 2013-02-15 11:22 +0000
    Re: First attempt at a Python prog (Chess) Neil Cerutti <neilc@norwich.edu> - 2013-02-15 16:17 +0000
      Re: First attempt at a Python prog (Chess) MRAB <python@mrabarnett.plus.com> - 2013-02-15 17:52 +0000
        Re: First attempt at a Python prog (Chess) Neil Cerutti <neilc@norwich.edu> - 2013-02-19 21:10 +0000
      Re: First attempt at a Python prog (Chess) Matt Jones <matt.walker.jones@gmail.com> - 2013-02-15 12:03 -0600
  Re: First attempt at a Python prog (Chess) Tim Golden <mail@timgolden.me.uk> - 2013-02-15 11:36 +0000
  Re: First attempt at a Python prog (Chess) Oscar Benjamin <oscar.j.benjamin@gmail.com> - 2013-02-15 13:11 +0000
  Re: First attempt at a Python prog (Chess) Tim Golden <mail@timgolden.me.uk> - 2013-02-15 15:36 +0000
    Re: First attempt at a Python prog (Chess) Jussi Piitulainen <jpiitula@ling.helsinki.fi> - 2013-02-15 18:48 +0200
  Re: First attempt at a Python prog (Chess) Chris Angelico <rosuav@gmail.com> - 2013-02-16 02:49 +1100
  Re: First attempt at a Python prog (Chess) Tim Golden <mail@timgolden.me.uk> - 2013-02-15 17:37 +0000
  Re: First attempt at a Python prog (Chess) Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2013-02-15 13:41 -0500
  Re: First attempt at a Python prog (Chess) Oscar Benjamin <oscar.j.benjamin@gmail.com> - 2013-02-16 14:39 +0000

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