Client

import socket

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

host = "127.0.0.1"
port = 1290

s.connect((host, port))

message = raw_input("=>")
while message != "q":
s.send(message.encode())
message = raw_input("=>")

s.close()

Server

import socket

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

host = "127.0.0.1"
port = 1290

s.bind((host, port))
s.listen(1)

c, addr = s.accept()
print("Connessione da ", addr)

while True:
data = c.recv(1024).decode()
if not data:
break
print(str(data))

c.close()