code: def paginate_link_tag(item):
      
      a_tag = Page.default_link_tag(item)
      if item['type'] == 'current_page':
          return make_html_tag('li', a_tag, **{'class': 'blue white-text'})
      return make_html_tag('li', a_tag)
docs: Create an A-HREF tag that points to another page usable in paginate.