On 05/07/2013 02:24, Steven D'Aprano wrote:
On Thu, 04 Jul 2013 17:54:20 +0100, Rotwang wrote:
[...]
Anyway, none of the calculations that has been given takes into account
the fact that names can be /less/ than one million characters long.
Not in *my* code they don't!!!
*wink*
The
actual number of non-empty strings of length at most 1000000 characters,
that consist only of ascii letters, digits or underscores, and that
don't start with a digit, is
sum(53*63**i for i in range(1000000)) == 53*(63**1000000 - 1)//62
I take my hat of to you sir, or possibly madam. That is truly an inspired
piece of pedantry.
FWIW, I'm male.
It's perhaps worth mentioning that some non-ascii characters are allowed
in identifiers in Python 3, though I don't know which ones.
PEP 3131 describes the rules:
http://www.python.org/dev/peps/pep-3131/
Thanks.
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