multi-threaded list update

[Mike Rovner]

Peter Hansen wrote:
> (But if you can accept those drawbacks, keep doing what you're doing.
> Also consider searching the archives for discussions involving the
> "dis" module (google for "dis.dis" maybe?) and see how to learn for
> yourself what is atomic and what's not.)

Thanks, Peter. I googled groups on 'python dis.dis atomic' and it was
all on target and quite interesting.

Mike