Python vs. Lisp: scope issues

[David Eppstein]

In article <bmh8bf$f79$1 at news.peterlink.ru>,
 anton muhin <antonmuhin.REMOVE.ME.FOR.REAL.MAIL at rambler.ru> wrote:

> In addition to s[0] hack, I'd like to suggest the following code. Any 
> comments are highly appreciated:
> 
> class Scope(object):
>      pass
> 
> def accumulator():
>      scope = Scope()
>      scope.n = 0
>      def f(n):
>          scope.n += n
>          return scope.n
>      return f

Definitely cleaner than the s[0] hack.  I'll have to remember that the 
next time I need to work around the scope limitation.

-- 
David Eppstein                      http://www.ics.uci.edu/~eppstein/
Univ. of California, Irvine, School of Information & Computer Science