擅长:python、mysql、java
<pre><code><ul>
{% for k, v in dict.items %} # instead of iterating keys, iterate dict
{% if k in keys %} # if key found in keys
<li>
{{ k }}, {{ v|length }}: [{% for val in v %} {{ val }},{% endfor %}]
</li>
{% endif %}
{% endfor %}
</ul>
</code></pre>