create business logic to delete selected todo

lists/views.py

@@ -28,4 +28,10 @@ def new_list(request):
 def add_item(request, list_id):
     list_ = List.objects.get(id=list_id)
     Item.objects.create(text=request.POST['item_text'], list=list_)
+    return redirect('/lists/%d/' % (list_.id,))
+
+def delete_todo(request, list_id, id):
+    list_ = List.objects.get(id=list_id)
+    instance = Item.objects.get(id=id)
+    instance.delete()
     return redirect('/lists/%d/' % (list_.id,))
\ No newline at end of file