Abandoned besturk at gmail.com
Wed Oct 31 17:09:10 EDT 2007

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On Oct 31, 10:50 pm, Roberto Bonvallet <rbonv... at gmail.com> wrote:
> On 31 oct, 16:58, Abandoned <best... at gmail.com> wrote:
>
>
>
> > Hi..
> > I want to do this:
> > for examle:
> > 12332321 ==> 12.332.321
>
> > How can i do?
> >>> x = 12332321
> >>> '.'.join(''.join(i for n, i in g) for k, g in groupby(enumerate(reversed(str(x))), lambda (n, i): n//3))[::-1]
> '12.332.321'
>
> --
> Roberto Bonvallet

Thank you but it give me this error:
NameError: name 'groupby' is not defined

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