[docs] [issue27455] Fix tkinter examples to be PEP8 compliant

[Berker Peksag]

Berker Peksag added the comment:

Since Terry is already busy with IDLE maintenance, I went ahead and commit the patch with minor modifications. Thanks for the patch, John! :)

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resolution:  -> fixed
stage: patch review -> resolved
status: open -> closed

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue27455>
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