True
True
['__class__', '__dir__', '__doc__', '__hash__', '__init__', '__method__', '__module__', '__name__', '__repr__', '__str__']
p retrieved from A
{'a': 45}
calling property from subclass
p retrieved from AA
{'a': 90}
calling property from subclass
actually a setter
p retrieved from AA
45
90
45
90
45
42
42
45