Simple Echo server writen by Python .

echo_server.py

#!/usr/bin/env python

"""
A simple echo server
"""

import socket

host = ''
port = 8888
backlog = 5
size = 1024
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.bind((host,port))
s.listen(backlog)
while 1:
    client, address = s.accept()
    while 1:
        data = client.recv(size)
        if data:
            client.send(data)
    client.close()