[Tutor] Finding all the letters in a string?

[Michael Langford]

Not my night...the second sentence "To get the set of letters, use" should
read "To get the filtered string".....time for more Coke Zero.

       --Michael

-- 
Michael Langford
Phone: 404-386-0495
Consulting: http://www.TierOneDesign.com/
Entertaining: http://www.ThisIsYourCruiseDirectorSpeaking.com

On 9/17/07, Michael Langford <mlangford.cs03 at gtalumni.org> wrote:
>
> At first I totally misread this....
>
> To get the set of letters, use
>
> import string
> string.ascii_letters
>
> Then do what you said in your algorithm.
>
> A shorthand way to do that is
>
> filteredString = ''.join([c for c in foo if c in string.ascii_letters])
>
> --
> Michael Langford
> Phone: 404-386-0495
> Consulting: http://www.TierOneDesign.com/
> Entertaining: http://www.ThisIsYourCruiseDirectorSpeaking.com
>
> On 9/17/07, Andrew Nelsen <sxkorean at gmail.com> wrote:
> >
> > I was wondering, recently, the most expedient way to take a string with
> > [@#$%^&*] and alpha-numeric characters [ie. "^@%#*$@*$g@)$&^@&^$F"] and
> > place all of the letters in a string or list. I thought there could be
> > obvious ways:
> >
> > A) Find all the letters, put them in a list, one by one. Something like
> > (I'm not sure yet how I'd do it...):
> >
> > import string
> > list = {}
> > string = "@*&^$&*^@$g*(&@$*(&$@c(*&*(&c^&%&^%"
> > for x in string:
> >     if x <is in string.letters?>
> >         list = list + [x]
> >
> > B) Delete all the characters in the string that don't match
> > string.letters:
> >
> > No idea...strip()?
> >
> > Thanks,
> >
> > Drew
> >
> > _______________________________________________
> > Tutor maillist  -  Tutor at python.org
> > http://mail.python.org/mailman/listinfo/tutor
> >
> >
>
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