Topic Preview • Enroll to Read Full Lesson
5.2 Dunder Methods (__str__, __repr__, __eq__) & Dataclasses
Topic Summary
Master Python's double-underscore (dunder) data model and write elegant immutable records using @dataclass.
What You Will Learn
• Implement `__str__` (for humans) vs `__repr__` (for developers/debugging).
• Implement `__eq__` and `__len__` to hook into Python operators (`==`, `len()`).
• Replace boilerplate classes with `@dataclass(frozen=True)`.
Included in Python Fundamentals & Modern Backend Engineering • Lifetime access for ₹49