python開發簡單socket程序在兩臺電腦之間傳輸消息，分為客戶端和服務端，分別在兩臺電腦上運行后即可進行簡單的消息傳輸，也可以在一臺電腦上測試，設置兩個不同的端口即可。

# Save as server.py 服務端代碼 - sharejs.com

Message Receiver
import os
from socket import *
host = ""
port = 13000
buf = 1024
addr = (host, port)
UDPSock = socket(AF_INET, SOCK_DGRAM)
UDPSock.bind(addr)
print "Waiting to receive messages..."
while True:
    (data, addr) = UDPSock.recvfrom(buf)
    print "Received message: " + data
    if data == "exit":
        break
UDPSock.close()
os._exit(0)
Save as client.py 客戶端代碼 - sharejs.com
Message Sender
import os
from socket import *
host = "127.0.0.1" # set to IP address of target computer
port = 13000
addr = (host, port)
UDPSock = socket(AF_INET, SOCK_DGRAM)
while True:
    data = raw_input("Enter message to send or type 'exit': ")
    UDPSock.sendto(data, addr)
    if data == "exit":
        break
UDPSock.close()
os._exit(0)</pre>