code: def exists(self):
          
          t = self.wait_timeout
          self.wait_timeout = 0
          try:
              self.reload()
              return True
          except NoSuchElementException:
              return False
          finally:
              self.wait_timeout = t
docs: :return: True if element is present in the DOM, otherwise False.
                  Ignore implicit and element timeouts and execute immediately.