Problem with global variables

[Steve Holden]

Bjoern Schliessmann wrote:
> Laurent Pointal wrote:
> 
>> And so the solution to add "global foo" before using it.
> 
> Didn't you read his final question?
> 
> | All of a sudden, tiny() can see the global variable "foo".  Very
> | confusing!  Why is it that tiny() sometimes can, and sometimes
> | can't, see the global variable "foo"?
> 
> I have no explanation for this, but I'm interested in one, too.
> 
It doesn't happen "all of a sudden", it happens when the assignment to 
foo is removed from the function definition. The interpreter therefore 
no longer regards foo as a local variable.

regards
  Steve
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