Python 3 Deep Dive Part 4 Oop [extra Quality] Official

class Programmer: pass p = Programmer() print(type(p)) # Output: print(type(Programmer)) # Output: Use code with caution. The Internal Namespace ( __dict__ )

def due_date(self, item): return self._loans.get(item.id) python 3 deep dive part 4 oop

You override __new__ when altering object creation logic, such as implementing the Singleton pattern or subclassing immutable types like int or str . 2. Advanced Customization with Dunder Methods class Programmer: pass p = Programmer() print(type(p)) #

By putting a double underscore before a variable name (like __gold ), they "mangled" the name, making it hard for outsiders to access directly. Instead, they provided and Setters —controlled doorways to interact with their private data. Chapter 3: The Family Tree (Inheritance) they "mangled" the name