Inheritance from builtin list and override of methods.

[Fredrik Lundh]

Carl Banks wrote:

> Because the concerns of thousands of legitimate programmers who want
> good performance out of their sorts outweigh the concerns of the one or
> two hax0r d00ds who think it would be cool to hook into sort internals.

... and haven't yet realized that using sorted() and converting back 
from the resulting list will outperform *any* solution they can come
up with themselves.

</F>