---
layout: page
title: 'Lesson Material'
visible: false
---

<!-- Blog section -->

<ul>
  {% assign pages_list = site.pages %}
  {% for node in pages_list %}
    {% if node.title != null %}
      {% if node.visible == true %}
          <li><a href="{{ site.github.url | replace:'http:','https:' }}{{ node.url }}">{{ node.title }}</a></li>
      {% endif %}
    {% endif %}
  {% endfor %}  <!-- page -->
</ul>

---
layout: page
title: 'Lesson Material'
visible: false
---

<!-- Blog section -->

<ul>
  {% assign pages_list = site.pages | sort: 'title' %}
  {% for node in pages_list %}
    {% if node.title != null %}
      {% if node.visible == true %}
          <li><a href="{{ site.github.url | replace:'http:','https:' }}{{ node.url }}">{{ node.title }}</a></li>
      {% endif %}
    {% endif %}
  {% endfor %}  <!-- page -->
</ul>

Sort lessons in contents page.
Sort lessons in contents page.
