python实现简单的聊天

# 1.server端
import socket
sk=socket.socket()
address=('127.0.0.1',8000)
sk.bind(address)
sk.listen(3)
conn,addr = sk.accept()
while 1:
    data=conn.recv(1024)
    print(str(data,'utf8'))
    if not data:
        conn.close()
        conn,addr=sk.accept()
        print(addr)
        continue
    if not data:break
    inp=input('>>>')
    conn.send(bytes(inp,'utf8'))
# 2.client端
import socket
sk=socket.socket()
address=('127.0.0.1',8000)
sk.connect(address)
while True:
    inp=input('>>>')
    if inp=='exit':
        break
    sk.send(bytes(inp,'utf8'))
    data = sk.recv(1024)
    print(str(data, 'utf8'))
sk.close()