def votes_total(request):
    total = Vote.objects.all().count()
    total_true = Vote.objects.filter(answer__exact=True).count()
    total_false = Vote.objects.filter(answer__exact=False).count()
    context = {
        'total': total,
        'total_true': total_true,
        'total_false': total_false
    }
    return render(request, 'student\index.html', context)

def votes_action(request, action):
    total = Vote.objects.all().count()
    total_true = Vote.objects.filter(answer__exact=True).count()
    total_false = Vote.objects.filter(answer__exact=False).count()
    context = {
        'total': total,
        'total_true': total_true,
        'total_false': total_false
    }
    if action == 'add':
        options = [True, False]
        Vote(answer=choice(options)).save()
    elif action == 'del':
        last = Vote.objects.all().count() - 1
        Vote.objects.all()[last].delete()
    return render(request, 'student\index.html', context)