Writing a string.ishex function

[D'Arcy J.M. Cain]

On Thu, 14 Jan 2010 18:36:12 +0000
MRAB <python at mrabarnett.plus.com> wrote:
> > print ishex('123') is True
> > print ishex('abc') is True
> > print ishex('xyz') is False
> > print ishex('0123456789abcdefABCDEF') is True
> > print ishex('0123456789abcdefABCDEFG') is False
> > 
> Don't use 'is', use '=='.

Why?  There is only one True and one False in Python.  Is it a style
issue for you?  If so then say "shouldn't" not "don't."

-- 
D'Arcy J.M. Cain <darcy at druid.net>         |  Democracy is three wolves
http://www.druid.net/darcy/                |  and a sheep voting on
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