in reply to Sorting hash of hashes by values

The loop is fine. Replace the print line with
print "$key => $value\n";
لսႽ† ᥲᥒ⚪⟊Ⴙᘓᖇ Ꮅᘓᖇ⎱ Ⴙᥲ𝇋ƙᘓᖇ