Fixed #21378 -- Updated tutorial02 for how to override admin site header.

        import django

        print(django.__path__)"

Then, just edit the file and replace the generic Django text with your own

site's name as you see fit.

Then, just edit the file and replace ``{{ site_header }}`` with your own

site's name as you see fit. We use this approach to teach you how to override

templates. In an actual project, you would probably use the

:attr:`django.contrib.admin.AdminSite.site_header` attribute to more easily

make this paritcular customization.

This template file contains lots of text like ``{% block branding %}``

and ``{{ title }}``. The ``{%`` and ``{{`` tags are part of Django's