Set & Frozenset?

Terry Reedy tjreedy at
Tue Mar 10 21:52:29 CET 2009

Paul Rubin wrote:
> Terry Reedy <tjreedy at> writes:
>>> I'd never expect that for-loop assignment is even faster than a
>>> precreated iter object (the second test)... but I don't think this
>>> for-looping variable leaking behavior is guaranteed, isn't it?
>> It is an intentional, documented feature: ...
> I prefer thinking of it as a documented bug.  It is fixed in 3.x.

Nope to both. We are talking about for-loop statements.

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