class Car: def __init__(self, color, brand, model): self.color = color self.brand = brand self.model = model
Use property for single attribute validation. Use descriptor for reusable logic across many attributes. python 3 deep dive part 4 oop high quality
By default, every Python object has a __dict__ to store attributes. This is flexible but memory-inefficient for thousands of objects. class Car: def __init__(self, color, brand, model): self
def __set__(self, obj, value): if not isinstance(value, (int, float)): raise TypeError("Value must be a number") setattr(obj, self.storage_name, value) class Car: def __init__(self