On Wed, Nov 11, 2020 at 7:48 PM rssail wrote:
>
>
> I'm confused with how django adds elements to a list. consider the following:
>
> def add(request):
> if request.method == "POST":
> form = NewTaskForm(request.POST)
should the above line be indented?
> if form.is_valid():
> task = form.cleaned_data["task"]
>
> request.session['tasks'].append(task)
> # request.session['tasks'] += [task]
>
> return HttpResponseRedirect(reverse("tasks:index"))
> else:
> return render(request, "tasks/add.html",{
> "form": form
> })
> return render(request, "tasks/add.html",{
> "form": NewTaskForm()
>})
>
> if we add a print statement after request.session['tasks'].append(task) we
> get a list:
>
> ['check email']
>
> we also get the same list if we comment the append line and use the correct
> way with +=
>
> However, on the redirect to task/index the first way shows an empty list and
> the second way shows the list that's expected. Why? Whats going on?
>
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