**get id from dic value. I got the result.try the below code**
get_abstracts = s.get_abstracts(session_id)
sessions = get_abstracts['sessions']
abs = {}
for a in get_abstracts['abstracts']:
a_session_id = a['session_id']
abs.setdefault(a_session_id,[]).append(a)
authors = {}
# print('authors')
# print(get_abstracts['authors'])
for au in get_abstracts['authors']:
# print(au)
au_abs_id = au['abs_id']
authors.setdefault(au_abs_id,[]).append(au)
**In jinja template**
{% for s in sessions %}
<h4><u>Session : {{ s.session_title}} - Hall : {{ s.session_hall}}</u></h4>
{% for a in abs[s.session_id] %}
<hr>
<p><b>Chief Author :</b> Dr. {{ a.full_name }}</p>
{% for au in authors[a.abs_id] %}
<p><b> {{ au.role }} :</b> Dr.{{ au.full_name }}</p>
{% endfor %}
{% endfor %}
{% endfor %}