fresh to network programming

gistfile1.py

import socket,select

CONNECTION_LIST = []
RECV_BUFFER = 4096
PORT = 5000
server_socket = socket.socket(socket.AF_INET,socket.SOCK_STREAM)
server_socket.setsockopt(socket.SOL_SOCKET,socket.SO_REUSEADDR,1)
server_socket.bind(("0.0.0.0",PORT))
server_socket.listen(10)

CONNECTION_LIST.append(server_socket)

print "Chat server started on port "+str(PORT)

while 1:
    read_sockets,write_sockets,error_sockets = select.select(CONNECTION_LIST,[],[])
    for sock in read_sockets:
        if sock == server_socket:
            sockfd,addr = server_socket.accept()
            CONNECTION_LIST.append(sockfd)
            print "Client (%s,%s) connected" % addr
        else:
            try:
                data = sock.recv(RECV_BUFFER)
                if data:
                    print 'send'
                    sock.send("HTTP/1.1 200 OK\r\n\r\n")
                    sock.send("Hello Kochiya")
                    sock.close()
                    CONNECTION_LIST.remove(sock)
            except:
                #broadcast_data(sock,"Client (%s,%s) is offline" % addr)
                print "Client (%s,%s) is offline" % addr
                sock.close()
                CONNECTION_LIST.remove(sock)
                continue

server_socket.close()