[issue9139] Add examples for str.format()

[Ezio Melotti]

Ezio Melotti <ezio.melotti at gmail.com> added the comment:

Committed in r82457 and r82459 (trunk), r82460 (release26-maint), r82462 (py3k), r82463 (release31-maint). Thanks for the reviews!

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resolution: accepted -> fixed
stage: patch review -> committed/rejected
status: open -> closed

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue9139>
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