use strict;
use warnings;

my %test_hash = ( a => { b=> 'c' } );
print Dumper %test_hash;

BEGIN{require Data::Dumper; Data::Dumper->import}

##</code><code>##

use strict;
use warnings;

my %test_hash = ( a => { b=> 'c' } );
print Dumper(%test_hash);

BEGIN{require Data::Dumper; Data::Dumper->import}