# Echo server program

from socket import *

from time import ctime  

HOST = ''                 # Symbolic name meaning all available interfaces

PORT = 50007              # Arbitrary non-privileged port

BUFSIZE = 1024

ADDR = (HOST, PORT)  

tcpSerSock = socket(AF_INET, SOCK_STREAM)

tcpSerSock.bind(ADDR)

tcpSerSock.listen(5)  

while True:

    print('waiting for connection...')

    tcpCliSock, addr = tcpSerSock.accept()

    print('...connected from:', addr)  

    while True:

        data = tcpCliSock.recv(BUFSIZE).decode()

        if not data:

            break

        tcpCliSock.send(('[%s] %s' % (ctime(), data)).encode())

    tcpCliSock.close()

tcpSerSock.close()

# Echo client program

from socket import*  

HOST = '127.0.0.1'

PORT = 50007              # The same port as used by the server

BUFSIZE = 1024

ADDR = (HOST, PORT)  

tcpCliSock = socket(AF_INET, SOCK_STREAM)

tcpCliSock.connect(ADDR)

while True:

    data = input('> ')

    if not data:

        break

    tcpCliSock.send(data.encode())

    data = tcpCliSock.recv(BUFSIZE).decode()

    if not data:

        break

    print(data)  

tcpCliSock.close()