range in jinja2 inside a for loop
It's just like Python:
{% for n in range(n) %}
{% for line in check[n][2:] %}
<p> {{ beta[0][0] }} </p>
{% endfor %}
{% endfor %}
You can use the "length" property:
{% for n in range(yourList| length) %}
<p class="someclass">{{n + 1}}.</p>
<a class="someclass2"
href="{{ url_for( 'yourFunction', Int = yourList[n].iterable)}}">
{{yourList[n].iterable}}</a><br>
{% endfor %}
Length is similar to len(yourlist) that we have in python.