urlpatterns += static(r'^static/(?P.*)$', 'django.views.static.serve', {'document_root': settings.STATIC_ROOT})

urlpatterns += static(r'^static/(?P.*)$', 'django.views.static.serve', {'document_root': settings.STATIC_ROOT}) - The urlpatterns += static(...) line is used to add a URL pattern for serving static files during development. - (r'^static/(?P.*)$') defines the URL pattern that will match requests for static files. - 'django.views.static.serve' is the view function used to serve static files. - {'document_root': settings.STATIC_ROOT} specifies the document root directory where the static files are located.