简单 demo

Server.py

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import socket

s = socket.socket()

host = socket.gethostname()
port = 1234
s.bind((host, port))

s.listen(5) # 最大等待连接数
while True:
    c, addr = s.accept()
    print 'Got connection from', addr
    c.send('Thank you for connecting')
    c.close()

Client.py

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import socket

s = socket.socket()

host = socket.gethostname()
port = 1234

s.connect((host, port))
print s.recv(1024)