how to check if a queryset is empty in djangi code example

Example 1: checking if a queryset is empty django

orgs = Organisation.objects.filter(name__iexact = 'Fjuk inc')
if not orgs:# If any results
    # Do this with the results without querying again.
else:# Else, do something else...
    # Do that...

Example 2: check if queryset is empty django template

<ul>
{% for athlete in athlete_list %}
    <li>{{ athlete.name }}</li>
{% empty %}
    <li>Sorry, no athletes in this list.</li>
{% endfor %}
</ul>