Hi monks,
my hash is below: 
$r{123}{a}=3;
$r{123}{b}=2;
$r{456}{c}=5;
$r{456}{d}=7;

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I wanna get the hash's second key that is decided by
the it's max value. My ideal result is :
$r{123}{a} ==> 3
$r{456}{d} ==> 7
how to finish it ?thx

In reply to How to get the Max values' key! by pysome

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