\'\'\'

\'\'\'
import socket
sk = socket.socket()
sk.bind((\'127.0.0.1\',9000))
sk.listen()

conn,addr = sk.accept()
print(addr)
while True:
     ret = conn.recv(1024).decode(\'utf-8\')
     if ret == \'bye\':
         break
     print(ret)
     info = input(\'>>>\')
     conn.send(bytes(info,encoding=\'utf-8\'))

conn.close()
sk.close()

#-*-coding:utf-8-*-
\'\'\'
client
\'\'\'
import socket
sk = socket.socket()
sk.connect((\'127.0.0.1\',9000))

while True:
    info = input(">>>")
    sk.send(bytes(info,encoding=\'utf-8\'))
    ret = sk.recv(1024).decode(\'utf-8\')
    print(ret)
    if ret ==\'bye\':
        sk.send(b\'bye\')
        break
sk.close()