PEP 20 - Silly Question?

[MRAB]

On 07/09/2011 01:36, Ben Finney wrote:
> Zero Piraeus<schesis at gmail.com>  writes:
>
>> On 6 September 2011 12:17, Joseph Armbruster<josepharmbruster at gmail.com>  wrote:
>>> I noticed that it says only 19 of 20 have been written down.  Which
>>> one was not written down?
>>
>> The last one.
>
> I always thought it was the first one. Or the 6.25th one, I forget.
>
Or the zeroth one.