On 08/23/2010 01:10 AM, James Mills wrote:
On Mon, Aug 23, 2010 at 3:00 PM, Greg Bair<gregb...@gmail.com>  wrote:
I have a method (I'll call it foo) that will either return None or an object
depending on a random value generated.  What I want to happen is that if I
call foo(), i.e, f = foo() and it returns None, to re-call it until it
returns something else.  I would think this would be done with a while loop,
but can't seem to get the details right.

Any help would be greatly appreciated.
Quite simple really, and yes you are right. Use a while loop:

from random import seed, random
from time import time
seed(time())
def foo():
...     if 0.5<  random()<  0.6:
...             return True
...
x = foo()
while x is None:
...     x = foo()
...
x
True
cheers
James

I don't know why I didn't think of that.  Thanks.
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