#!/usr/bin/env python
# -*- coding: utf-8 -*-
import socket
sock = socket.socket()
sock.bind(('localhost', 9090))
sock.listen(1)
while True:
conn, addr = sock.accept()
print('connected:', addr)
while True:
data = conn.recv(1024)
if not data :
break
data = data.decode()
print('data=' + data + '.')
conn.send(str(int(data) + 1).encode())
conn.close()