DB<100> @result=([1..3],[4..6],[7..9])
 => ([1, 2, 3], [4, 5, 6], [7, 8, 9])

  DB<101> print @{$result[1]}
 => 1
456
  DB<102> $,=','; print @{$result[1]} 
 => 1
4,5,6
  DB<103> print "@{$result[1]}"
 => 1
4 5 6
  DB<104> use Data::Dumper
 => 0

  DB<105> print Dumper $result[1]
$VAR1 = [
          4,
          5,
          6
        ];
 => 1

  DB<106> print Dumper \@result
$VAR1 = [
          [
            1,
            2,
            3
          ],
          [
            4,
            5,
            6
          ],
          [
            7,
            8,
            9
          ]
        ];
 => 1

##</code><code>##

  DB<118> $Data::Dumper::Indent=0
 => 0

  DB<119> $Data::Dumper::Terse =1
 => 1

  DB<120> print Dumper \@result
 => 1
[[1,2,3],[4,5,6],[7,8,9]]