cascading python executions only if return code is 0

[Mark Lawrence]

On 23/12/2013 12:45, Ethan Furman wrote:
>
> Considering how easy it is to disable assertions, a circle in the sand
> is an amazingly appropriate metaphor.  :)
>
> --
> ~Ethan~

It might be easy, but surely it's far more fun providing an itertools 
solution :)

-- 
My fellow Pythonistas, ask not what our language can do for you, ask 
what you can do for our language.

Mark Lawrence