confused about Python assignment

[Michael Hudson]

flyfeather at myrealbox.com (Haoyu Zhang) writes:

> Dear Friends,
> Python assignment is a reference assignment. However, I really can't
> explain the difference in the following example.

Try reading this:

   http://starship.python.net/crew/mwh/hacks/objectthink.html

Cheers,
mwh

-- 
  There's an aura of unholy black magic about CLISP.  It works, but
  I have no idea how it does it.  I suspect there's a goat involved
  somewhere.                     -- Johann Hibschman, comp.lang.scheme