#$!/$usr$/$bin$/$env python$3$

import uuid

import socket

from datetime import datetime

# Time operations in python

# timestamp $=$ datetime.fromisoformat$($isotimestring$)$

# Extract local MAC address $[$DO NOT CHANGE$]$

MAC $="$:$".$join$(["\{$:$02$x$\}".$format$(($uuid$.$getnode$()>>$ ele$)$ & $0$xFF$)$ for ele in range$(0,8*6,8)][$::$-1]).$upper$()$

# SERVER IP AND PORT NUMBER $[$DO NOT CHANGE VAR NAMES$]$

SERVER$\_$IP $="10\mathrm{.}0\mathrm{.}0\mathrm{.}100"$

SERVER$\_$PORT $=9000$

clientSocket $=$ socket.socket$($socket$.$AF$\_$INET, socket.SOCK$\_$DGRAM$)$

# Sending DISCOVER message

message $=$ "DISCOVER $"+$ MAC

clientSocket.sendto$($message$.$encode$(),($SERVER$\_$IP$,$ SERVER$\_$PORT$))$

# LISTENING FOR RESPONSE

message, $\_=$ socket.recvfrom$(4096)$