text: #!/usr/bin/env python3
  
  """
  A program to filter tweets that contain links to a web archive. At the moment it
  supports archive.org and archive.is, but please add more if you want!
  """
  
  import json
  import fileinput
  
  archives = [
      'archive.is',
      'web.archive.org',
      'wayback.archive.org'
  ]
  
  for line in fileinput.input():
      tweet = json.loads(line)
      for url in tweet['entities']['urls']:
          for host in archives:
              if host in url['expanded_url']:
                  print(line, end='')
                  done = True
          # prevent outputting same data twice if it contains
          # multiple archive urls
          if done:
              break
  