<nitpick>If all of the OP's hash keys consist of two letters, as in the example data, your code works fine. However, nothing in the 'spec' indicates that this condition is always true. What if the hash is like:

%hash = (
  CAB => 31,
  BAC => 11,
  ABC => 42,
);

[download]

</nitpick>

In reply to Re^2: confused with a hash which contains reversed keys by Not_a_Number
in thread confused with a hash which contains reversed keys by Anonymous Monk

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