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  • \$\begingroup\$ Mwahaha, first time I see a Python solution longer than C# :) \$\endgroup\$ Commented Mar 8, 2011 at 16:05
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    \$\begingroup\$ Won't this return True for aab, bba? \$\endgroup\$ Commented Mar 8, 2011 at 20:28
  • \$\begingroup\$ @gnibbler; Yes, it will, I wasn't thinking this morning. Fixed \$\endgroup\$ Commented Mar 9, 2011 at 1:52