from socket import *

host = "0.0.0.0"
port = 2000

s = socket(AF_INET, SOCK_STREAM)
s.bind((host,port))
s.listen(4)
connections = []

while 1:
	connections.append(s.accept())
	for i in connections:
		data = i[0].recv(1024)
		if data:
			i[0].send(data)