server:
#!/usr/bin/python           # This is server.py file

import socket               # Import socket module

s = socket.socket()         # Create a socket object
host = socket.gethostname() # Get local machine name
port = 14321             # Reserve a port for your service.
s.bind((host, port))        # Bind to the port

s.listen(5)
while True:
   c, addr = s.accept()     # Establish connection with client.
   print ("Got connection from", addr)
   msg = input("what do you want to send?\n")
   c.send(msg)

client:

#!/usr/bin/python # This is client.py file 

import socket # Import socket module 
s = socket.socket() # Create a socket object 
host = socket.gethostname() # Get local machine name 
port = 14321 # Reserve a port for your service.
while True: 
    s.connect((host, port)) 
    print (s.recv(1024))