my $HoA4 = {
            'flintstones'    => [ "fred" ],
            'jetsons'        => [ "george","jane"],
      };

my $ans4 = [
          {
            'flintstones' => 'fred',
            'jetsons' => 'george'
          },
          {
            'flintstones' => 'fred',
            'jetsons' => 'jane'
          }
        ];