code: def follow_shortlinks(shortlinks):
      
      links_followed = {}
      for shortlink in shortlinks:
          url = shortlink
          request_result = requests.get(url)
          redirect_history = request_result.history
          # history might look like:
          # (<Response [301]>, <Response [301]>)
          # where each response object has a URL
          all_urls = []
          for redirect in redirect_history:
              all_urls.append(redirect.url)
          # append the final URL that we finish with
          all_urls.append(request_result.url)
          links_followed[shortlink] = all_urls
      return links_followed
docs: Follow redirects in list of shortlinks, return dict of resulting URLs