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What are dunder (magic) methods?

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01

Understand the problem

Explain special methods.

oopdunder
02

Attempt it yourself

Sketch your approach before reading the solution — that's what interviews test.

Nudge consolestandby

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03

Study the solution

Dunder methods (double underscore, e.g. __init__, __str__, __repr__, __len__, __eq__, __iter__) let your objects integrate with Python's syntax and built-ins — construction, printing, comparison, iteration, operator overloading, and more.

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04

Run the code

PYA Vector that supports +, ==, len() and repr
Practice
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Dossier 27 of 120 decoded in the Python track. One more won't hurt.

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