{% for day in ['Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday', 'Sunday'] %}
    {% set items = [] %}

    {% for class in classes[day] if class.type == type %}
        {% set items = items|merge([class]) %}
    {% endfor %}

    {% if items %}
        <div class="mb-4">
            <h3 class="mb-2">{{ day }}</h3>

            <ul>
                {% for item in items %}
                    <li>
                        {{ item.time }} -
                        {{ item.description }}
                    </li>
                {% endfor %}
            </ul>
        </div>
    {% endif %}
{% endfor %}