Magic methods
Learn how to define dunders, use `__new__` to control object creation, and implement `__str__` and `__repr__` for customized string representation.
Where it sits
Learn first
Nothing: a good place to start.
This skill
Magic methods
Leads to
The roles below put it to work directly.
Jobs that need it
- AI Engineercorelevel 3
- Backend Developer (Python)corelevel 3
- Data Engineercorelevel 3
- Data Scientistcorelevel 3
- Full Stack Developer (Python + React)corelevel 3
- Data Analystsupportinglevel 2
- MLOps Engineersupportinglevel 2
What level 3 (Working) means
Uses it independently on the job. Level 4 (Strong): handles hard cases, reviews others.
Magic methods: common questions
What is Magic methods?
Learn how to define dunders, use `__new__` to control object creation, and implement `__str__` and `__repr__` for customized string representation.
Which jobs need Magic methods?
AI Engineer, Backend Developer (Python), Data Engineer, Data Scientist, Full Stack Developer (Python + React), and 2 more. Most ask for level 3 (Working): uses it independently on the job.
What should I learn before Magic methods?
Nothing in particular: it's a good place to start.
How long does it take to learn Magic methods?
The starting lesson, Magic methods, takes about 12 minutes. Reaching the level a job asks for takes practice on top: BootSelf measures where you are and plans the rest.
How do I practise Magic methods?
Check your readiness for free, then BootSelf builds a route and short daily learning loops: a little theory, checks on what you get wrong, then a small program.