#!/usr/bin/env perl -l

use strict;
use warnings;

my %hash = (
    array0 => [1, 2, 3, 4],
    array1 => [5, 6, 7, 8]
);

for my $i (0, 1) {
    print "ARRAY $i";
    print 'Value3 ', $hash{'array' . $i}[2];
}