#!/usr/bin/perl
use strict;
use warnings;
use Data::Dumper;

my $hashref = { 'Inventory' => { 
                      'lb' => "abc",
                      'host' => [{ 'hostA' => { 'os' => "Linux",'location'=>"Dublin"}},
                                  {'hostB' => {'os'=> "Windows",'location'=>"US"}},
                                  {'hostC' => {'os'=>"Ubuntu",'location'=>"Germany"}}
                                  ]
                       }
              } ;