[issue9915] speeding up sorting with a key

[Daniel Stutzbach]

Changes by Daniel Stutzbach <stutzbach at google.com>:


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components: +Interpreter Core -Library (Lib)
resolution:  -> accepted
stage: patch review -> committed/rejected
status: open -> closed

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue9915>
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