服务器端代码实现：
#!/usr/bin/env python
#coding=gbk
'''
接收客户端字符串，在字段串前面打上当前时间，然后返回
server端采用 python2 linux下调试运行
客户端采用python3 windows下调试运行（注意编码格式）
'''
from socket import *
from time import ctime
buf=1024
sock_serv=socket(AF_INET,SOCK_STREAM)
sock_serv.bind(('103.20.2221.183',1234))
sock_serv.listen(5)
while 1:
print('server is listening..')
sock_client,addr=sock_serv.accept()
print('connect from:',addr)
while 1:
data=sock_client.recv(buf)
if not data:
break
sock_client.send('%s %s'%(ctime(),data))
sock_client.close()
sock_serv.close()
客户端代码实现：
#coding=gbk
from socket import *
from time import ctime
buf=1024
sock_client=socket(AF_INET,SOCK_STREAM)
sock_client.connect(('103.20.2221.183',1234))
while 1:
data=input('please input something:')
if not data:
break
sock_client.send(data.encode('gbk'))
data=sock_client.recv(buf)
print('receive success:%s'%data.decode('gbk'))
sock_client.close()