code: def show_slug_with_level(context, page, lang=None, fallback=True):
      
      if not lang:
          lang = context.get('lang', pages_settings.PAGE_DEFAULT_LANGUAGE)
  
      page = get_page_from_string_or_id(page, lang)
      if not page:
          return ''
  
      return {'content': page.slug_with_level(lang)}
docs: Display slug with level by language.