<!DOCTYPE html>
<html>
<body>

{% if myvar == 1 %}
  <h1>Hello!</h1>
{% elif myvar == 2 %}
  <h1>Welcome!</h1>
{% else %}
  <h1>Greetings!</h1>
{% endif %}

<p>Check out views.py to see what the myvar 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 = {
    'myvar': 2
  }
  return HttpResponse(template.render(context, request))