Merged revisions 79179 via svnmerge from

svn+ssh://pythondev@svn.python.org/python/trunk

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  r79179 | georg.brandl | 2010-03-21 10:37:54 +0100 (So, 21 Mär 2010) | 1 line

  Mention inefficiency of lists as queues, add link to collections.deque discussion.
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