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Thu May 27 01:38:50 CEST 2010 · https://mail.python.org/pipermail/python-dev/2010-May/100370.html

Mark Dickinson wrote:

>>>>code = """\
> 
> ... y = 3
> ... def f():
> ...     return y
> ... f()
> ... """
> 
>>>>exec code in {}   # works fine
>>>>exec code in {}, {}   # dies with a NameError

Seems to me the whole idea of being able to specify
separate global and local scopes for top-level code is
screwy in the first place. Are there any use cases for
it? Maybe the second scope argument to exec() should
be deprecated?

-- 
Greg

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[Python-Dev] variable name resolution in exec is incorrect