git add . & git commit -m fixed
传参 <book_id> path include
命名空间 使用 app_name
include(module,namespace=None)
urlpatterns=[
path('book/',include('book.urls','book'))
]
include((pattern_list,app_namespace),namespace=None) include(pattern_list)
int main(){
return 0;
}
r"" 代表原生字符串 (raw) 不转义 r'\n'