Dynamic Zero Padding.

[Chris Rebert]

On Tue, Jun 7, 2011 at 2:36 PM, Friedrich Clausen <fred at derf.nl> wrote:
> Hello All,
>
> I want to print some integers in a zero padded fashion, eg. :
>
>>>> print("Testing %04i" % 1)
> Testing 0001
>
> but the padding needs to be dynamic eg. sometimes %05i, %02i or some
> other padding amount. But I can't insert a variable into the format
> specification to achieve the desirable padding.
>
> I would be much obliged if someone can give me some tips on how to
> achieve a variably pad a number.

http://docs.python.org/library/stdtypes.html#str.zfill

Cheers,
Chris