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template.html

views.py

<!DOCTYPE html>
<html>
<body>

{{ fruits|add:vegetables }}

<p>In views.py you can see what the fruits
and vegetables variables look like.</p>

</body>
</html>

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

def testing(request):
  template = loader.get_template('template.html')
  context = {
    'fruits': ['Apple', 'Banana', 'Cherry'],   
    'vegetables': ['Asparagus', 'Broccoli', 'Carrot'],
  }
  return HttpResponse(template.render(context, request))