See perlreftut - Mark's very short tutorial about references for details. 
print "Number entered is : $input\n";
print "User for the number $input is: $users{$input}[0]\n";
print "Comments for the number $input is: $users{input}[1]\n";

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In reply to Re^3: Hash of Array references by choroba
in thread Hash of Array references by sravs448

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