mymaster.html
views.py
childtemplate.html
 

<!DOCTYPE html>
<html>
<body>
<h1>Welcome</h1>

{% block userinfo %}
  <h2>Not registered yet</h2>
{% endblock %}

<p>Check out the two templates to see what they look like, and views.py to see the reference to the child template.</p>

</body>
</html>        
127.0.0.1:8000/members/testing