..

client.py

@@ -0,0 +1,31 @@
+#!/usr/bin/env python3
+
+import socket
+from cmd import Cmd
+
+TCP_IP = '127.0.0.1'
+TCP_PORT = 5005
+BUFFER_SIZE = 1024
+MESSAGE = b"Hello, World!"
+
+s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+s.connect((TCP_IP, TCP_PORT))
+
+class MyPrompt(Cmd):
+   def do_exit(self, inp):
+        '''exit the application and close remote server.'''
+        s.send(b"exit")
+        data = s.recv(BUFFER_SIZE)
+        print ("received data:", data)
+        return True
+   def do_send(self, inp):
+        '''Send a message'''
+        s.send(bytes(inp, "utf8"))
+        print(inp)
+        data = s.recv(BUFFER_SIZE)
+        print ("received data:", data)
+
+MyPrompt().cmdloop()
+s.close()
+
+

server.py

@@ -0,0 +1,23 @@
+#!/usr/bin/env python3
+
+import socket # Import the lib
+
+TCP_IP = '127.0.0.1' # Set the listen address
+TCP_PORT = 5005 # set the port
+BUFFER_SIZE = 20  # Normally 1024, but we want fast response
+
+s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) # Create the socket
+s.bind((TCP_IP, TCP_PORT))
+s.listen(1)
+
+conn, addr = s.accept() # Accept every connection
+
+print ('Connection address:', addr) # display connection detail.
+
+while 1:
+    data = conn.recv(BUFFER_SIZE)
+    print ("received data:", data) # Print what you recive.
+    conn.send(data)  # echo
+    if (data == b"exit"): # Exit the program once you recieve "exit".
+        break
+conn.close() #Close the connection.