On Sat, May 18, 2019 at 1:51 PM <[email protected]> wrote:
>
> 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.
This is correct; however, this function will fail with UnboundLocalError:
x = 1
def foo():
print(x)
x = 2
Function locals ARE locked in at compile time.
ChrisA
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