No Do while/repeat until looping construct in python?

[Evan Simpson]

Greg Ewing (using news.cis.dfn.de) wrote:
> I think it's a somewhat bigger deal than you make out,
> since it would bring the exit condition into a prominently
> visible place, instead of being buried and easy to miss
> at first glance.

Someone (I forget who, sorry) recently pointed out a cute use of 
line-continuation that could help here:

while 1:
     # some code
     # blah
     if all_done:\
break
     # more code

Cheers,

Evan @ 4-am