TCPPython.py

#!/usr/bin/env python 

import socket 

host = '' 
port = 50000
backlog = 5
size = 1024

socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM) 
socket.bind((host,port)) 
socket.listen(backlog) 

print("Server Started")

while True:
       connection = None
       try:
           connection, address = socket.accept()
           print ("Unity Connected.")
           #connection.send("First call from Python\n")
           
           while True:
                   data = connection.recv(size).decode()
                   if data:
                       if data=="Disconnect":
                           print ("Connection closed by Unity")
                           connection.close()
                           exit()
                           break
                       else:
                           valuesList = data.split(",")
                           xInput = valuesList[0]
                           yInput= valuesList[1]
                           zInput= valuesList[2]
                           floatInput= float (valuesList[3])
                           intInput= int (valuesList[4])
                           msg = xInput + "," + yInput + "," + zInput + "," + str(floatInput) + "," + str(intInput) + "\r\n"
                           connection.send(msg.encode('ascii'))
       except KeyboardInterrupt:
               if connection:
                    connection.close()
                    break