# your code goes here
import subprocess
import urllib2
import re
import time

def main():
    delay_time = 0;
    ipaddr = urllib2.urlopen('http://www.myipaddress.com/show-my-ip-address/')
    ip = re.findall("[0-9]{3}.[0-9]{3}.[0-9]{3}.[0-9]{3}", ipaddr.read())[0]
    def while_body():
        print "Starting release."
        subprocess.check_call(["ipconfig", "/release"])
        print("Go unplug your modem.")
        time.delay(delay_time)
    while_body() #No do...while, and I'm too lazy not to do this.
    while re.findall(ip_re, urllib2.urlopen('http://www.myipaddress.com/show-my-ip-address/').read())[0] == ip:
            while_body()
            delay_time += 1000
    print("Starting renew.")
    subprocess.check_call("ipconfig",  "/renew"])