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  1. or download this
    use strict ;
    use warnings ;
    ...
    ) ;
    
    print Dumper(%h) ;
    
  2. or download this
    $VAR1 = 'b';
    $VAR2 = [
    ...
            ];
    $VAR3 = 'a';
    $VAR4 = 1;
    
  3. or download this
    use strict ;
    use warnings ;
    ...
        b => [ 1, 2, 3],
    ) ;
    print Dumper(\%h) ; # Note the additional \
    
  4. or download this
    $VAR1 = {
              'b' => [
    ...
                     ],
              'a' => 1
            };