The internet site is done with A address mapper file (urls.py) within the task folder. It is more usual to defer mappings to the associated application while you can use this file to manage all your URL mappings.
Setting up the Address mapper
Start locallibrary/locallibrary/urls.py and note the instructional text which explains a few of the techniques to make use of the Address mapper.
The Address mappings are handled through the urlpatterns adjustable, which can be A python range of path() functions.