code: def is_present(self, locator, search_object=None):
          
          all_elements = self._find_immediately(locator, search_object=search_object)
  
          if all_elements is not None and len(all_elements) > 0:
              return True
          else:
              return False
docs: Determines whether an element is present on the page, retrying once if unable to locate
  
          @type locator:                  webdriverwrapper.support.locator.Locator
          @param locator:                 the locator or css string used to query the element
          @type search_object:            webdriverwrapper.WebElementWrapper
          @param search_object:           Optional WebElement to start search with.
                                          If null, search will be on self.driver