code: def requester(
          url,
          main_url=None,
          delay=0,
          cook=None,
          headers=None,
          timeout=10,
          host=None,
          proxies=[None],
          user_agents=[None],
          failed=None,
          processed=None
      ):
      
      cook = cook or set()
      headers = headers or set()
      user_agents = user_agents or ['Photon']
      failed = failed or set()
      processed = processed or set()
      # Mark the URL as crawled
      processed.add(url)
      # Pause/sleep the program for specified time
      time.sleep(delay)
  
      def make_request(url):
          """Default request"""
          final_headers = headers or {
              'Host': host,
              # Selecting a random user-agent
              'User-Agent': random.choice(user_agents),
              'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8',
              'Accept-Language': 'en-US,en;q=0.5',
              'Accept-Encoding': 'gzip',
              'DNT': '1',
              'Connection': 'close',
          }
          try:
              response = SESSION.get(
                  url,
                  cookies=cook,
                  headers=final_headers,
                  verify=False,
                  timeout=timeout,
                  stream=True,
                  proxies=random.choice(proxies)
              )
          except TooManyRedirects:
              return 'dummy'
  
          if 'text/html' in response.headers['content-type'] or \
             'text/plain' in response.headers['content-type']:
              if response.status_code != '404':
                  return response.text
              else:
                  response.close()
                  failed.add(url)
                  return 'dummy'
          else:
              response.close()
              return 'dummy'
  
      return make_request(url)
docs: Handle the requests and return the response body.