Is this PEP-able? fwhile

[Ian Kelly]

On Mon, Jun 24, 2013 at 3:01 PM, Ian Kelly <ian.g.kelly at gmail.com> wrote:
> On Mon, Jun 24, 2013 at 2:34 PM, Fábio Santos <fabiosantosart at gmail.com> wrote:
>> This can probably be best achieved by adding to the existing for loop,
>> so maybe taking advantage of the existing for...if syntax and adding
>> for...while would be a better idea?
>
> The for...if syntax only exists for comprehensions and generators.  If
> we're going to add for...while for loops, then we might as well go
> ahead and add for...if loops there as well.

Which of course brings us to the for...if...while loop.  Or should it
be for...while...if?  Or do we allow both, and if so, are the
semantics the same or different?