def update():
    """ Updating state to host """
    longest_ip = 0
    longest_desc = 0
    for hosts in HOSTS_ARR:
        if len(hosts[0]) > longest_ip:
            longest_ip = len(hosts[0])
        if len(hosts[1]) > longest_desc:
            longest_desc = len(hosts[1])

    while True:
        if TEMP_HOSTS_ARR != HOSTS_ARR:
            pre_string = '{0:<' + str(longest_desc) + 's} | {1:' + str(longest_ip) + 's} | {2:15s}'
            print(pre_string.format('DESC.', 'IP', 'STATE'))
            pre_string = '{0:-^' + str(longest_desc + longest_ip + 18) + 's}'
            print(pre_string.format(''))
            for hosts in HOSTS_ARR:
                pre_string = '{0:<' + str(longest_desc) + 's} | {1:' + str(longest_ip) + 's} | {2:15s}'
                print(pre_string.format(hosts[1], hosts[0], hosts[2]))
            TEMP_HOSTS_ARR = HOSTS_ARR

        for update_hosts in HOSTS_ARR:
            _thread.start_new_thread(ping, (str(update_hosts[0]), str(update_hosts[1],)))
        time.sleep(5)
        subprocess.call('clear')