server.py

import socket
from _thread import *
import sys

s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)

server = 'localhost'
port = 5555

server_ip = socket.gethostbyname(server)

try:
 s.bind((server, port))

except socket.error as e:
 print(str(e))

s.listen(2)
print("Waiting for a connection")

currentId = "0"
pos = ["0:50,50", "1:100,100"]
def threaded_client(conn):
 global currentId, pos
 conn.send(str.encode(currentId))
 currentId = "1"
 reply = ''
 while True:
 try:
 data = conn.recv(2048)
 reply = data.decode('utf-8')
 if not data:
 conn.send(str.encode("Goodbye"))
 break
 else:
 print("Recieved: " + reply)
 arr = reply.split(":")
 id = int(arr[0])
 pos[id] = reply

 if id == 0: nid = 1
 if id == 1: nid = 0

 reply = pos[nid][:]
 print("Sending: " + reply)

 conn.sendall(str.encode(reply))
 except:
 break

 print("Connection Closed")
 conn.close()

while True:
 conn, addr = s.accept()
 print("Connected to: ", addr)

 start_new_thread(threaded_client, (conn,))