{% content-ref url="basic-introductory.md" %} basic-introductory.md {% endcontent-ref %}
{% content-ref url="operator.md" %} operator.md {% endcontent-ref %}
{% content-ref url="conditions.md" %} conditions.md {% endcontent-ref %}
{% content-ref url="loop.md" %} loop.md {% endcontent-ref %}
{% content-ref url="1-d-array.md" %} 1-d-array.md {% endcontent-ref %}