How to increment date by week?

[Tim Chase]

On 2013-06-04 14:31, PieGuy wrote:
>    Starting on any day/date, I would like to create a one year
> list, by week (start date could be any day of week).  Having a
> numerical week index in front of date, ie 1-52, would be a bonus.
> ie, 1.  6/4/2013 2.  6/11/2013 3.  6/18/2013....etc to # 52.

 import datetime
 start = datetime.date.today()
 for i in range(53):
   dt = start + datetime.timedelta(days=7*i)
   result = "%i. %s" % (
     i+1,
     dt.strftime('%m/%d/%Y')
     )
   do_something_with(result)

-tkc