Python 3 Deep Dive Part 4 Oop !free! < 2026 Edition >

In multiple inheritance, super() does not simply call the immediate parent class. Instead, it looks at the MRO of the calling instance and invokes the next class in line. To ensure that every class in a complex inheritance tree executes correctly, every cooperative method must use super() , passing along any extra configuration parameters using variable keyword arguments ( **kwargs ). 5. Metaprogramming: Metaclasses

def __bool__(self): return bool(abs(self)) python 3 deep dive part 4 oop