Merged revisions 84242-84244 via svnmerge from

Merged revisions 84242-84244 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/branches/py3k

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  r84242 | benjamin.peterson | 2010-08-21 15:01:28 -0500 (Sat, 21 Aug 2010) | 1 line

  indent properly
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  r84243 | benjamin.peterson | 2010-08-21 15:03:15 -0500 (Sat, 21 Aug 2010) | 1 line

  fix more indentation
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  r84244 | benjamin.peterson | 2010-08-21 15:08:36 -0500 (Sat, 21 Aug 2010) | 1 line

  provide sample implementations for attrgetter and methodcaller
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