[Tutor] a problem with a server and client

[Khalid Al-Ghamdi]

hi,

i'm trying to implement a server that adds a time stamp to incoming text
form a client.

the server's code is (but doesn't seem to have the problem as demoed by the
error below:

from socket import *
from time import ctime

HOST = ''
PORT = 21567
BUFSIZ = 1024
ADDR =(HOST, PORT)

tcpSerSock = socket(AF_INET, SOCK_STREAM)

tcpSerSock.bind(ADDR)
tcpSerSock.listen(5)

while True:
    print('waiting for connection ...')
    tcpCliSock, addr =tcpSerSock.accept()
    print('...connected from: ', addr)

    while True:
        data = tcpCliSock.recv(BUFSIZ)
        if not data:
            break
        tcpCliSock.send('[{}] {}'.format(bytes(ctime(), 'utf-8'),data))

    tcpCliSock.close()
tcpSerSock.close()



the client's code is:

from socket import *


HOST = 'localhost'
PORT = 21567
BUFSIZ = 1024
ADDR =(HOST, PORT)

tcpCliSock = socket(AF_INET, SOCK_STREAM)

tcpCliSock.bind(ADDR)

while True:
    data=input('> ')
    if not data:
        break
    tcpCliSock.send(data)
    data = tcpCliSock.recv(BUFSIZ)
    if not data:
        break
    print(data.decode('utf-8'))

tcpCliSock.close()

the problem is i get the following error when i enter some text:

Traceback (most recent call last):
  File "C:\Python32\tsTclnt3.py", line 17, in <module>
    tcpCliSock.send(data)
TypeError: 'str' does not support the buffer interface

can you help?
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