Terry J. Reedy <tjre...@udel.edu> added the comment:
Except for the variable name and 3.1 print(), that is exactly what I
tested before posting:
>>>
{}
Was 2.x different?
Anyway, from Wikipedia: "In computer programming, a free variable is a
variable referred to in a function that is not a local variable or an
argument of that function." (from page called 'Free variables in Lisp")
Globals qualify under that definition. It goes on to say "An upvalue is
a free variable that has been bound (closed over) with a closure." which
is what Python calls nonlocal or cell var.
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<http://bugs.python.org/issue6925>
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