Matt Porter <[EMAIL PROTECTED]> wrote:
> Hi guys,
> 
> I'm trying to compress a string.
> E.g:
>  "AAAABBBC" -> "ABC"

You mean like this?

 >>> ''.join(c for c, _ in itertools.groupby("AAAABBBCAADCASS"))
 'ABCADCAS'

HTH
  Marc
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