[issue22824] Update reprlib to use set literals

[Raymond Hettinger]

Raymond Hettinger added the comment:

That looks great.  Go ahead an apply (with a MISC/NEWS entry and an update to the example on line 22 of Docs/tutorial/stdlib2.rst).

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assignee:  -> berker.peksag

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue22824>
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