Correct me if I am wrong, please.
I always think that the LEGB rule (e.g. the namespace to look up for) was
applied at compile-time, only the binding was resolved "dynamically" at
run-time. For example:
def foo():
print(x)
foo() will cause a NameError. But after
x = 5
foo() will run correctly.
I also don't think the term "variable" and "attribute" can be used
exchangeable. Variable apply to an unbound name, and attribute applies to
bounded name. For example:
foo.x = 3 will create an attribute x of function foo. It's either not a local
variable, or a global variable. It's more likely a class instance attribute,
and it's resolved by applying MRO rule dynamically.
--Jach
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