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  1. or download this
    use Data::Dumper;
@arg2 = [{a => 1, b =>2}], [qw($balloon)];
Data::Dumper->Dump(@arg2)
  2. or download this
    '$balloon = {
             \'a\' => 1,
             \'b\' => 2
           };
  3. or download this
    use YAML::XS;
@arg2 = ([{a => 1, b =>2}], [qw($balloon)]);
Dump(@arg2)
  4. or download this
     '---
- a: 1
...
---
- $balloon
'
  5. or download this
    0  ARRAY(0x89889e8)
   0  HASH(0x8994130)
...
      'b' => 2
1  ARRAY(0x8ef27c8)
   0  '$balloon'