client.py

import socket

sock = socket.socket()
sock.connect(('10.8.128.183',9990))
sock.send(b'hello, world!')


while True:
    data = sock.recv(1024)
    if not data:
        break
    elif data == b"end":
        break
    print(b"from server")
    print(data)
    print()
    message = bytes(input(), 'utf-8')
    sock.send(message)

sock.close()