beautifulsoup RM

import urllib.request, urllib.parse, urllib.error
from bs4 import BeautifulSoup
import ssl

# Ignore SSL certificate errors
ctx = ssl.create_default_context()
ctx.check_hostname = False
ctx.verify_mode = ssl.CERT_NONE

# initialisation


# selection of the web page to pull
page =input('Enter 1 for sample file and 2 for actual- ')
if page =="1":
   url = 'http://www.rightmove.co.uk/property-to-rent/find.html?searchType=RENT&locationIdentifier=POSTCODE%5E1602250&insId=3&radius=0.25&minPrice=&maxPrice=&minBedrooms=&maxBedrooms=&displayPropertyType=&maxDaysSinceAdded=&sortByPriceDescending=&includeLetAgreed=true&_includeLetAgreed=on&primaryDisplayPropertyType=&secondaryDisplayPropertyType=&oldDisplayPropertyType=&oldPrimaryDisplayPropertyType=&letType=&letFurnishType=&houseFlatShare=false'

else:
   url = 'http://www.warretjullion.co.uk/index.html'

html = urllib.request.urlopen(url, context=ctx).read()
soup = BeautifulSoup(html, 'html.parser')
# Retrieve all of the anchor tags
tags = soup('a')
for tag in tags:
    print(tag.get('href', None))