Try... except....Try again?

[Xavier Ho]

Darn it.

On Sat, Jul 18, 2009 at 8:55 AM, Dave Angel <davea at ieee.org> wrote:

>
> You don't need a counter.  len() will tell you the size of the list of
> primes.


Does len() go through and count by itself, or does it actually keep track of
the size and just return the memory? I always thought it would go through
and count, which may take some time. I could be wrong.

>
> And, just in case you're still interested, that
>     for i in range()
>
> earlier in the thread has the overhead of building a (possibly) large list
> of integers, just in case we might need to loop.


Right, so for i in xrange() would be a better choice?

Best regards,

Ching-Yun "Xavier" Ho, Technical Artist

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