$VAR1 = {
          'SET1' => [
                      [ '0','100','BOOK'],
                      [ '1','150','PENCIL'],
                    ],
          'SET2' => [
                      [ '2','110','ERASER'],
                      [ '2','200','PEN'],
                      [ '0','220','BLACKBOARD'],
                      [ '1','300','CHALK'],
                    ]
        };