None assigment

[Rainer Deyke]

"Aahz Maruch" <aahz at panix.com> wrote in message
news:95umoi$is5$1 at panix2.panix.com...
> What you're missing is the issue of Python scopes.  Try this:
>
> b=2
> def foo():
>     b=4
>     print b
>     del b
>     global b
>     print b
> foo()

And what *you*'re missing is that whether a variable is local or global is
determined at compile time (in the absensce of 'exec' or 'from ... import
*').  The above does not work.  However, Whether a global variable is taken
from the module dictionary or '__builtins__' is a run-time decision.


--
Rainer Deyke (root at rainerdeyke.com)
Shareware computer games           -           http://rainerdeyke.com
"In ihren Reihen zu stehen heisst unter Feinden zu kaempfen" - Abigor