py4e_1203.py

# To run this, download the BeautifulSoup zip file
# http://www.py4e.com/code3/bs4.zip
# and unzip it in the same directory as this file

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
url = input('Enter URL - ')
count=int(input('Enter Count - '))
for c in range(count):
    html = urllib.request.urlopen(url, context=ctx).read()
    soup = BeautifulSoup(html, 'html.parser')

    # Retrieve all of the anchor tags
    tags = soup.find_all('a')
    #print(tags)
    #for tag in tags[3]:
    url2=(tags[17].get('href', None))
    print (url2)
    url=url2