my $data_b = 
          {
            'house'    => 'main',
            'number'   => '0123',
            'area'     => 'north',
            'code'     => 'zip',
            'fullname' => 'Ms Mary Lou',
            'first'    => 'Mary',
            'last'     => 'Lou',
          };

##</code><code>##

my $data_a = {
          'fullname' => 'Ms Mary Lou',
          'first'    => 'Mary',
          'last'     => 'Lou',
        };
        
my $data_b = 
          {
            'house'   => 'main',
            'number'  => '0123',
            'area'    => 'north',
            'code'     => 'zip',
          };

##</code><code>##

my $data_b =[ 
          {
            'house'    => 'main',
            'number'   => '0123',
            'area'     => 'north',
            'code'     => 'zip',
          },
          {
            'fullname' => 'Ms Mary Lou',
            'first'    => 'Mary',
            'last'     => 'Lou',
          };
        ];