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  1. or download this
    #!/usr/bin/perl
    use warnings;
    ...
    
    my %hash = ( second => 2, fourth => 4, third => 3, first => 1 );
    say for sort_hash { $a <=> $b } %hash;
    
  2. or download this
    ($q=q:Sq=~/;[c](.)(.)/;chr(-||-|5+lengthSq)`"S|oS2"`map{chr |+ord
    }map{substrSq`S_+|`|}3E|-|`7**2-3:)=~y+S|`+$1,++print+eval$q,q,a,