code: def is_parsable(url):
          
  
          try:
              parsed = urlparse(url)
              URLHelper.__cache[url] = parsed
              return True
          except:
              return False
docs: Check if the given URL is parsable (make sure it's a valid URL). If it is parsable, also cache it.
  
          Args:
              url (str): The URL to check.
  
          Returns:
              bool: True if parsable, False otherwise.