define loop statement?

[Jeffrey Schwab]

Jeffrey Schwab wrote:

> class Loop:
>     def __init__(self, n):
>         self.n = n
>     def __call__(self):
>         self.n = self.n - 1
>         return self.n != 0
> 
> 
> if __name__ == '__main__':
>     loop = Loop(10)
>     while loop:

Whoops.  Should be "while loop()".

>         print "OK"