[Tutor] Re: Testing for punctuation in a string

[Greg Brunet]

"Alan Gauld" <alan.gauld at blueyonder.co.uk> wrote in message
news:002f01c390e1$3d153ff0$6401a8c0 at xp...
> Ultimately you will have to test each character but you want to
> do it in C rather than Python. However the best I can think of
> is a comprehension:
>...

Hi Alan:

Yes - I can see how comprehension would be slightly more efficient.
OTOH, I want to kick out as soon as I see ANY error condition, so I may
stay with a standard FOR loop with a sys.exit (after displaying an error
message) if I find any bad characters.  Thanks for the ideas,

-- 
Greg