初学脚本语言python，，测试可用的tcp通讯程序：
服务器：
#!/usr/bin/env python# -*- coding: utf-8 -*-import socketimport threadingimport timedef tcplink(sock, addr):print('Accept new connection from %s:%s…' % addr);sock.send(b'Welcome!!!');while True:data = sock.recv(1024);time.sleep(1);if not data or data.decode('utf-8') == 'exit':break;sock.send(b'Hello, %s!' % data);sock.close();print('Connection from %s:%s closed.' % addr);if __name__ == "__main__":s = socket.socket(socket.AF_INET, socket.SOCK_STREAM);s.bind(('127.0.0.1', 9090));s.listen(8); #监听8个客户端；print('waiting for connection…');while True:sock, addr = s.accept();t = threading.Thread(target=tcplink, args=(sock,addr));t.start();客户端：
#!/usr/bin/env python# -*- coding: utf-8 -*-import sockets = socket.socket(socket.AF_INET, socket.SOCK_STREAM);s.connect(('127.0.0.1', 9090));print(s.recv(1024).decode('utf-8'));for data in [b'lk', b'aa', b'bb']:s.send(data);print(s.recv(1024).decode('utf-8'));s.send(b'exit');s.close();
路灯和我之间，究竟谁是谁的过客，
