{% for i in list %}
// Do this in non - empty condition
{% empty %}
// Do this in empty condition
{% endfor %}

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

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

# import Http Response from django
from django.shortcuts import render
 
# create a function
def geeks_view(request):
    # create a dictionary
    context = {
        "data" : [1, 2, 3, 4, 5, 6, 7, 8, 9, 10],
    }
    # return response
    return render(request, "geeks.html", context)

from django.urls import path
 
# importing views from views.py
from .views import geeks_view
 
urlpatterns = [
    path('', geeks_view),
]

{% for i in data %}
    <div class="row">
        {{ i }}
    </div>
{% endfor %}

# import Http Response from django
from django.shortcuts import render
  
# create a function
def geeks_view(request):
    # create a dictionary
    context = {
        "data" : [],
    }
    # return response
    return render(request, "geeks.html", context)

{% for i in data %}
    <div class="row">
        {{ i }}
    </div>
    {% empty %}
    <h4>There is nothing in this list</h4>
{% endfor %}