Write a python function to check external IP address
def check_ip():
import re
import urllib.request as ur
url = "http://checkip.dyndns.org"
with ur.urlopen(url) as u:
s = str(u.read())
ip = re.findall(r"\d{1,3}.\d{1,3}.\d{1,3}.\d{1,3}", s)
print("IP Address: ", ip[0])
return ip[0]
