[Tutor] imported module/global

[Andreas Kostyrka]

* Cecilia Alm <ebbaalm at uiuc.edu> [070415 18:21]:
> If a module "x" imports module "y" with a global variable "z", then
> this global can be referred or assigned to in "x" with the syntax
> "y.z" (no "global" keyword preceding) and changes are accessible to
> class methods in "y" referring to "global z".

Well, you don't need the global statement for accessing z. You need it
for modifying it, or Python will assume that you are working with a
local variable z.

Andreas