client
import socket
s = socket.socket()
s.connect(('127.0.0.1',9999))
send = ''
while send != 'end':
send = input("enter message: ")
sendB = send.encode()
s.sendall(sendB)
recv = s.recv(1024)
print(f"received: {recv.decode()}")
if recv == b'end':
break
s.close()
print('connection closed')