Question
When should a Python developer choose Dunder Methods and Data Model Protocols deliberately?
- Choose Dunder Methods and Data Model Protocols mainly when you want to postpone validation and fix issues manually later.
- Choose Dunder Methods and Data Model Protocols whenever you want the code to look more advanced, even if the design gets less clear.
- Choose Dunder Methods and Data Model Protocols only to avoid modeling the real data shape or domain contract explicitly.
- Add dunder methods when the object truly benefits from a standard protocol like __repr__, __iter__, or rich comparison.
Hint
Think about the production scenario where the choice genuinely improves the code.
Answer and rationale
Correct answer: D. Add dunder methods when the object truly benefits from a standard protocol like __repr__, __iter__, or rich comparison.
Add dunder methods when the object truly benefits from a standard protocol like __repr__, __iter__, or rich comparison. Interviewers often ask this to see whether you can connect the concept to real design decisions.
Track: Python