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template.html

views.py

<!DOCTYPE html>
<html>
<body>

{% for x in arr %}
  <h1>You have {{ x }} life{{ x|pluralize }} left.</h1>
{% endfor %}

<p>In views.py you can see what the arr variable looks like.</p>

</body>
</html>

from django.http import HttpResponse
from django.template import loader

def testing(request):
  template = loader.get_template('template.html')
  context = {
    'arr': [0, 1, 2]
  }
  return HttpResponse(template.render(context, request))