John Salerno said unto the world upon 16/02/06 09:18 AM:
<snip>
> "Name references search at most four scopes: local, then enclosing
> functions (if any), then global, then built-in."
>
> I understand what global and built-in are, and I thought I understood
> the concept of local too, but when I got to this sentence (and the
> previous sentence), I became confused about the first two scopes. What's
> the difference between 'local' and 'enclosing functions'? I thought that
> the only way to create a local namespace was if there *was* a function
> definition, so now I'm confused by the apparent difference that the
> authors are referring to. What's an example of a local scope without
> having a function definition? Loops and if statements, perhaps?
>
> And feel free to dissect that first sentence up above, because I just
> don't get it.
Does this help?
IDLE 1.1.2
>>> scope = "Global"
>>> def test():
scope = "enclosing"
def nested_test():
print scope
nested_test()
>>> test()
enclosing
>>> def test2():
scope = "enclosing"
def nested_test():
scope = "nested"
print scope
nested_test()
>>> test2()
nested
>>>
Best,
Brian vdB
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