text: import urllib.request
  import os
  import time
  import telegram
  from telegram.ext import CommandHandler
  from telegram.ext import Updater
  import threading
  import logging
  import pickle
  logging.basicConfig(format='%(asctime)s - %(name)s - %(levelname)s - %(message)s',
  					 level=logging.INFO)
  from bs4 import BeautifulSoup
  
  chat_id_list = []
  
  
  if os.path.exists("users.pk"):
  		with open("users.pk", "rb") as f:
  				chat_id_list = pickle.load(f)
  				
  def start_fun(bot, update):
  	if update.message.chat_id not in chat_id_list:
  		bot.send_message(chat_id=update.message.chat_id, text="Great you will be notified")
  		print(update.message.chat_id)
  		chat_id_list.append(update.message.chat_id)
  		with open("users.pk", "wb") as f:
  				pickle.dump(chat_id_list, f)
  	else:
  		bot.send_message(chat_id=update.message.chat_id, text="You are already in the list")
  
  bot = telegram.Bot('insert_token')
  
  def fetch_response(url):
  	response = urllib.request.urlopen(url)
  	page = str(response.read())
  	soup = BeautifulSoup(page, 'html.parser')
  	fetch_list = soup.find_all('span')
  	name_list = []
  	for item in fetch_list:
  		try:
  			name_list.append(str(item.contents[0]))
  		except:
  			pass
  	return name_list
  
  def write_content(content):
  	with open("original.pkl","wb") as f:
  		pickle.dump(content,f)
  
  def get_content():
  	with open("original.pkl", "rb") as f:
  		return pickle.load(f)
  
  write_content(fetch_response("http://results.unipune.ac.in/")) # initial write
  
  def start_bot():
  	updater = Updater(token='insert_token')
  	dispatcher = updater.dispatcher
  	start_handler = CommandHandler('start', start_fun)
  	dispatcher.add_handler(start_handler)
  	updater.start_polling()
  	updater.idle()
  	updater.stop()
  
  def fetcher():
  	start = time.time()
  	while True:
  		while int(time.time()-start) > 60:
  			fetch = fetch_response("http://results.unipune.ac.in/")
  			original = get_content()
  			for row in fetch:
  					if not row in original:
  						print("New results added")
  						for id in chat_id_list:
  								bot.sendMessage(chat_id=id, text="New results updated: "+ str(row))
  			write_content(fetch)
  			start = time.time()
  
  if __name__ == '__main__':
  	t1 = threading.Thread(target=fetcher)
  	t1.start()
  	start_bot()
  	t1.join()