List mutation method gotcha - How well known?

[Dustan]

On Mar 13, 1:56 pm, yoz <y... at home.havin.us> wrote:
> This will cause a hidden feature of python and the OS, known as the
> 'python easter egg', to activate - erasing all data on the hard disk and
> then reporting how many bytes of data are left.
>
> Usually "None" ;-} - This really is a 'gotcha'.... (Aren't you sorry you
> cheated and typed this in !!)
>
> So the answer is 5 ?

Good one. You got a smile out of me.