Array before change is:  $VAR1 = [
          'a',
          'b',
          'c'
        ];
 
Hash before change is:  $VAR1 = {
          'array' => [
                       'a',
                       'b',
                       'c'
                     ]
        };
 
Array after change is:  $VAR1 = [
          'a',
          'b',
          'c',
          'd',
          'e',
          'f'
        ];
 
Hash after change is:  $VAR1 = {
          'array' => [
                       'a',
                       'b',
                       'c',
                       'd',
                       'e',
                       'f'
                     ]
        };