code: def is_duplicate_content_url(url1, url2):
      
      if url1 == url2:
          return True
      if url2 in url1:
          url1 = shorten_duplicate_content_url(url1)
          if not url2.endswith('/') and url1.endswith('/'):
              url2 += '/'
          return url1 == url2
      if url1 in url2:
          url2 = shorten_duplicate_content_url(url2)
          if not url1.endswith('/') and url2.endswith('/'):
              url1 += '/'
          return url1 == url2
      return False
docs: Check if both URLs are allowed to point to the same content.