code: def select_from_drop_down_by_locator(self, drop_down_locator, option_locator, params=None):
          
          # Open/activate drop down
          self.click(drop_down_locator, params['drop_down'] if params else None)
  
          # Click option in drop down
          self.click(option_locator, params['option'] if params else None)
docs: Select option from drop down widget using locator.
  
          :param drop_down_locator: locator tuple or WebElement instance
          :param option_locator: locator tuple or WebElement instance
          :param params: Dictionary containing dictionary of params
          :return: None