docs: def get_joke():
      """Return a Ron Swanson quote.
  
      Returns None if unable to retrieve a quote.
      """
  
      page = requests.get("http://ron-swanson-quotes.herokuapp.com/v2/quotes")
      
      if page.status_code == 200:
          jokes = []
          jokes = json.loads(page.content.decode(page.encoding))
          return '"' + jokes[0] + '" - Ron Swanson'
  
      return None