No Do while/repeat until looping construct in python?

[marshall]

Alex Martelli <aleax at aleax.it> wrote:

> 
> The general case of loop, known as "N times and a half", is:
> 
> while True:
>     <precode>
>     if <sometest>: break
>     <postcode>
> 
> You appear to think (like the designers of some other languages)
> that the special case of <postcode> being empty has such enormous
> importance as to warrant making the language richer and more
> complicated to cover it.
> 

This is so nicely and concisely stated but I had to "discover" it
myself. It sure would be handy to have a collection of these idioms. 
The cookbook is great but it doesn't have the _almost_ obvious such as
the above.

"Colin Brown" <cbrown at metservice.com> wrote:
> 
> Others have explained the Python way to do this, fine.
> 
> I think this points out deficiencies of the documentation.
> 
> The repeat .. until construct is familiar to those of us that have come
> from other languages and it would not hurt for the docs to show the
> standard Python idiom. 

Agreed.  I have no complaint about the documentation but a handy list
of python slang would be great - especially for list comprehensions
which always give me pause.

Marshall