text: import requests
  from operator import itemgetter
  
  #Make an API call and store the response.
  url = 'https://hacker-news.firebaseio.com/v0/topstories.json'
  r= requests.get(url)
  print("Status code:"+ str(r.status_code))
  
  #Process information about each submission.
  submission_ids = r.json()
  submission_dicts = []
  
  for submission_id in submission_ids[:30]:
      #Make a separate API call for each submission.
      url = ('https://hacker-news.firebaseio.com/v0/item/' + str(submission_id) + '.json')
      submission_r = requests.get(url)
      print("Status code:" + str(submission_r.status_code))
      response_dict = submission_r.json()
  
      submission_dict = {
          'title': response_dict['title'],
          'link': 'http://news.ycombinator.com/item?id=' + str(submission_id),
          'comments': response_dict.get('descendants', 0)
      }
      submission_dicts.append(submission_dict)
  
  submission_dict = sorted(submission_dicts, key=itemgetter('comments'), reverse=True)
  
  for submission_dict in submission_dicts:
      print("\nTitle:", submission_dict['title'])
      print("Discussion link:", submission_dict['link'])
      print("Comments:", submission_dict['comments'])
  