<!DOCTYPE html>
<html lang="en" dir="ltr">
  <head>
    <meta charset="utf-8">
    <title>Flask教學</title>
  </head>
  <body>
    {% extends "template.html" %}
    {% block content %}
    <h1> 關於Flask網站</h1>
    <p>本網站僅用於測試用途。Here's about.html</p>
    {% endblock %}
  </body>
</html>