print(sys.getsizeof(rp) + sys.getsizeof(rp.)) # ~120 bytes print(sys.getsizeof(sp)) # ~56 bytes
class Point: def __init__(self, x, y): self.x = x self.y = y python 3 deep dive part 4 oop high quality
It’s structured as a technical reference for intermediate/advanced Python developers who want to write maintainable, robust, and Pythonic OOP code. print(sys
class Circle: # No explicit inheritance def draw(self, canvas): print(f"Circle on canvas") 'y') def __init__(self
| Feature | Dunder Method(s) | |-----------------------|--------------------------------------| | Object representation | __repr__ , __str__ | | Container protocol | __len__ , __getitem__ , __setitem__ | | Callable objects | __call__ | | Context manager | __enter__ , __exit__ | | Arithmetic ops | __add__ , __sub__ , __mul__ , etc.| | Hashing / equality | __hash__ , __eq__ |
class Point: __slots__ = ('x', 'y') def __init__(self, x, y): self.x = x self.y = y
is essential for understanding how multiple inheritance behaves in Python.