Paul Hankin paul.hankin at gmail.com
Wed Oct 31 19:38:07 EDT 2007

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On Oct 31, 7:58 pm, Abandoned <best... at gmail.com> wrote:
> Hi..
> I want to do this:
> for examle:
> 12332321 ==> 12.332.321
>
> How can i do?

Short without being too unreadable:

def conv(x, sep='.'):
    x = str(x)[::-1]
    return sep.join(x[i:i + 3] for i in range(0, len(x), 3))[::-1]

Or more simple-mindedly...

def conv(x, sep='.'):
    x, y = str(x), []
    while x:
        y.append(x[-3:])
        x = x[:-3]
    return sep.join(reversed(y))

--
Paul Hankin

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