How to know if object gets deleted in Python

Question

I have an object in the heap and a reference to it. There are certain circumstances in which the object gets deleted but the reference that points to its location doesn\'t k

Answer 1

It is explicitly mentioned in the documentation when an object takes the responsibility for the deletion of another object. In your example, you can see this in the Qt doc :

If index widget A is replaced with index widget B, index widget A will be deleted.