Python3: Echo TCP

Client

#!/usr/bin/env python
 
import socket 

TCP_IP = '192.168.0.162'
TCP_PORT = 5005
BUFFER_SIZE = 1024
MESSAGE = b"Apa Kabar?"
 
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.connect((TCP_IP, TCP_PORT))
s.send(MESSAGE)
data = s.recv(BUFFER_SIZE)
s.close()

print( "received data:", data )

Server

#!/usr/bin/env python
 
import socket
 
TCP_IP = '127.0.0.1'
TCP_PORT = 5005
BUFFER_SIZE = 20  # Normally 1024, but we want fast response

s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.bind((TCP_IP, TCP_PORT))
s.listen(1)
 
conn, addr = s.accept()
print( 'Connection address:', addr )
while 1:
    data = conn.recv(BUFFER_SIZE)
    if not data: break
    print( "received data:", data )
    conn.send(data)  # echo
conn.close()