django4.2.4 re_path path

from django.urls import path, re_path

from . import views

urlpatterns = [
    path("articles/2003/", views.special_case_2003),
    re_path(r"^articles/(?P<year>[0-9]{4})/$", views.year_archive),
    re_path(r"^articles/(?P<year>[0-9]{4})/(?P<month>[0-9]{2})/$", views.month_archive),
    re_path(
        r"^articles/(?P<year>[0-9]{4})/(?P<month>[0-9]{2})/(?P<slug>[\w-]+)/$",
        views.article_detail,
    ),
]

(缩小问题范围，是python,是django)