Python

if some_queryset.exists():
    print("There is at least one object in some_queryset")

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

# check if queryset is empty (django)
if not myQueryset:
    # Do this...
else:
    # Do that...

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