On 31 oct, 16:58, Abandoned <[EMAIL PROTECTED]> 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'
>>>
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Roberto Bonvallet
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