Page not found django

urls.py:
    ```
    from django.urls import path
    from .views import user,login,bill,index,add_items,admin,pay
    urlpatterns=[
    path('',index,name="index"),
    path('user/', user, name='user'),
    path('login/',login,name="login"),
    path('add_items/',add_items,name="add_items"),
    path('admin/',admin,name="admin"),
    path('bill/',bill,name="bill"),   
    path('pay/',pay,name="pay"),
    ]
    ```
views.py:
    ```
    from django.shortcuts import render

    def index(request):
         return render(request,"index.html")
    def add_items(request):
         return render(request,"add_items.html")
    def admin(request):
         return render(request,"admin.html")
    def user(request):
         return render(request,"user.html")
    def login(request):
         return render(request,"login.html")
    def pay(request):
         return render(request,"pay.html")

    def bill(request):
         return render(request,"bill.html")
    ```
user.html:

    <button class="b1" type="button" onclick="window.location.href='login/'">
hese.

Error:
[OPEN THE IMAGE](https://i.stack.imgur.com/g5BSf.png)
Page Not Found

Using the URLconf defined in restaurantpro.urls, Django tried these URL patterns, in this order:

admin/
[name='index']
user/ [name='user']
login/ [name='login']
add_items/ [name='add_items']
admin/ [name='admin']
bill/ [name='bill']
pay/ [name='pay']
The current path, user/login/, didn’t match any of t