#!/usr/bin/env python

import sys, socket

def chat_client(host,port):
    try:
        s = socket.socket(socket.AF_INET,socket.SOCK_STREAM)
        s.connect((host,port))
        while True:
            message = input()
            s.sendall(message.encode())
            data=s.recv(1024)
            print(data.decode().strip())
    except KeyboardInterrupt:
        s.close()
    finally:
        print("bye")

if __name__ == "__main__":
    try:
        chat_client(sys.argv[1],int(sys.argv[2]))
    except IndexError:
        print(f"{sys.argv[0]} demande un hôte et un port en arguments")