code: def parse(url):
      
      parts = split(url)
      if parts.scheme:
          username, password, host, port = split_netloc(parts.netloc)
          subdomain, domain, tld = split_host(host)
      else:
          username = password = subdomain = domain = tld = port = ''
      return URL(parts.scheme, username, password, subdomain, domain, tld,
                 port, parts.path, parts.query, parts.fragment, url)
docs: Parse a URL.
  
      >>> parse('http://example.com/foo/')
      URL(scheme='http', ..., domain='example', tld='com', ..., path='/foo/', ...)