At 10:03 AM 7/18/2008, Kent Johnson wrote:
On Fri, Jul 18, 2008 at 11:32 AM, Dick Moores <[EMAIL PROTECTED]> wrote:
> if x == 0:
> return False
> else:
> return True
Could be just
return x!=0
I see this works, but it's Greek to me. HOW does it work? And why is
it better than what I had? Is it faster? Or what?
or
return not x
> My question is about whether to test for integerhood. Without that test,
> isPrime(3.7) returns true, and isPrime('44') returns False. I've gone with
> testing for integerhood, and with returning None when n fails the test.
Better to raise TypeError.
Like this?
if not isinstance(n, (int, long)):
raise TypeError, "n must be an int or a long"
Thanks,
Dick
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