#!usr/bin/perl
use strict;
use warnings;

use pm::security;

print banned(...); # This is how you are calling the method and you are getting the error?

##</code><code>##

package Pm::Security;
use strict;
use warnings;
use Exporter;
use vars qw($VERSION @ISA @EXPORT_OK);

$VERSION     = 1.00;
@ISA         = qw(Exporter);
@EXPORT_OK   = qw(banned);

sub banned  { return reverse @_  }

1;

##</code><code>##

#!usr/bin/perl
use say;
use strict;
use warnings;
use Pm::Security qw( banned );
# use Benchmark qw(:all) ; # WindowsOSn
# use Benchmark::Forking qw( timethese cmpthese );

my @list = qw (First ~ Second);

say banned( @list );

__END__

$ perl main.pl
Second~First