Why am I having Invalid Syntax? : Why am I having Invalid Syntax, please don't be mad at me if I am so stupid thanks






    `import os
    gateway = raw_input("What is your gateway IP: ")
    target = raw_input("What is your target IP: ")
    interface = raw_input("What is your network interface: ")
    os.system('arpspoof -i {0} -t {1} {2} 2>/dev/null 1>/dev/null &'.format(interface, gateway, target))
    os.system('arpspoof -i {0} -t {1} {2} 2>/dev/null 1>/dev/null &'.format(interface, target, gateway))
    while True:	
    	try:	
    		stop_command = raw_input("If you want to exit type stop: ")
    	if stop_command != "stop":
    		print("You didn't type stop")
    		continue
    	else:
    		break`