[issue43448] exec() ignores scope.

[Eryk Sun]

Eryk Sun <eryksun at gmail.com> added the comment:

exec(obj, globals(), locals()) is the same as exec(obj). Also, locals in a function scope are optimized, so the locals() dict is a snapshot. Modifying the snapshot dict doesn't modify the optimized local variables. At most I think this issue is a duplicate of bpo-24800, to clarify the implicit local scope and behavior.

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nosy: +eryksun

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<https://bugs.python.org/issue43448>
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