import socket
import time
import pickle


HEADERSIZE=10

s=socket.socket(socket.AF_INET,socket.SOCK_STREAM)
s.bind((socket.gethostname(),1234))
s.listen(5)

while True:
    clientsocket,address=s.accept()
    print(f"Connection from {address} has been established!")

    d={1:"Hey",2:"There"}
    msg=pickle.dumps(d)

    msg=bytes(f'{len(msg):<{HEADERSIZE}}',"utf-8")+msg

    clientsocket.send(msg)