docs: def make_cookie_values(cj, class_name):
      """
      Makes a string of cookie keys and values.
      Can be used to set a Cookie header.
      """
      path = "/" + class_name
  
      cookies = [c.name + '=' + c.value
                 for c in cj
                 if c.domain == "class.coursera.org"
                 and c.path == path]
  
      return '; '.join(cookies)