def METHOD_NAME(request):
    """
    Displays a list of Reminders and allows new ones to be created and existing ones to be deleted.
    :param request: HttpRequest object
    :return: HttpResponse or HttpRedirect if the template does not exist
    """
    reminders = models.Reminder.objects.filter(journal=request.journal)
    if 'delete' in request.POST:
        reminder_id = request.POST.get('delete')
        reminder = get_object_or_404(models.Reminder, pk=reminder_id, journal=request.journal)
        reminder.delete()
        return redirect(reverse('cron_reminders'))
    template = 'cron/reminders.html'
    context = {
        'reminders': reminders,
    }
    return render(request, template, context)