Copy the templates folder from the completed code package into the Arenas application folder. Inside the templates folder is a folder called arenas, with a template HTML file called index.html. This file contains a JavaScript portion that generates a web map. On that map, the location of an NBA arena is displayed.
Django templates use placeholders (demarcated with a {{form.field }} format) that allow for data to be passed at runtime into the template, providing the specifics of the request. These placeholders are located throughout index.html. Django has its own built-in template language, which we will use here, and also includes Jinja2, which Flask also uses (see Chapter 11, Flask and GeoAlchemy2).
The first portion of ...
