import socket

s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)

s.connect(('127.0.0.1', 9999))

print(s.recv(1024).decode('utf-8'))  # utf-8是一种编码方式

for data in [b'data2312', b'xu', b'weijie']:
    s.send(data)
    print(s.recv(1024).decode('utf-8'))

s.send(b'exit')
s.close()