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

package Tester;

our $global_variable = "HI";
my  $local_variable  = "hi";

###########################################
package Main;

# we can access the local_variable declared with my via this syntax
print "$Tester::global_variable\n";

# we can NOT access the local_variable declared with my via this syntax
#print "$Tester::local_variable\n";