{% for i in "1,4"|range %}
{% capture as collection_iteration silent %}megamenu1_sub_col__{{ i }}{% endcapture %}
{% capture as collection_name silent %}{{ settings|element:collection_iteration }}{% endcapture %}
{% for i in "1,4"|range %}
{% capture as collection_iteration silent %}megamenu1_sub_col__{{ i }}{% endcapture %}
{% capture as collection_name silent %}{{ settings|element:collection_iteration }}{% endcapture %}