Find day of week from month and year

[Peter Hansen]

Paul Rubin wrote:
> Peter Hansen <peter at engcorp.com> writes:
> 
>>(And, if I were "optimizing", I would of course dispense with the
>>dynamic creation of the static table upon every execution of
>>expiration(), and move it outside the function.)
> 
> Replacing it with a tuple might be enough for that.

You're right, and in fact that would actually be even faster since then 
it's a LOAD_CONST instead of a LOAD_GLOBAL.

-Peter