TCP socket

import timefrom socket import *HOST = ""PORT = 9999BUFSIZE = 1024ADDR = (HOST, PORT)tcpSerScok = socket(AF_INET, SOCK_STREAM)tcpSerScok.bind(ADDR)tcpSerScok.listen(5)while True:    PRint 'waiting for connection...'    tcpCliSock, addr = tcpSerScok.accept()    print '... connected from ', addr        while True:        data = tcpCliSock.recv(BUFSIZE)        if not data:            break        tcpCliSock.send('[%s] %s'%(time.ctime(),  data))            tcpCliSock.close()        tcpSerScok.close()
from socket import *HOST = 'localhost'PORT = 9999BUFSIZE = 1024ADDR = (HOST, PORT)tcpCliSock = socket(AF_INET, SOCK_STREAM)tcpCliSock.connect(ADDR)while True:    data = raw_input('>')    if not data:        break        tcpCliSock.send(data)    data = tcpCliSock.recv(BUFSIZE)    if not data:        break    print data    tcpCliSock.close()