How append sum of instances within a django queryset to that queryset?

Question

I have a Django Queryset object that looks like this (it is a derived queryset, not a queryset for a Model):

Answer 1

I don't think you can do that. But if you use aggregate then you will be able to get the sum of A, B, C like this:

>> result = YourModel.objects.aggregate(A=Sum('A'), B=Sum('B'), C=Sum('C'))
>> print(result)