# User space python program for timestamp_1 ``` import socket import time HOST = '0.0.0.0' PORT = 7000 s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM) s.bind((HOST, PORT)) print('server start at: %s:%s' % (HOST, PORT)) while True: indata = s.recv(64,socket.MSG_WAITALL) print(time.time()) ```