Python Interview Questions · interview question
Which practice avoids a common mistake with Dunder Methods and Data Model Protocols?
Multiple choiceMediumpython-interview-2026interviewpythonpitfall
Answer and explanation
Correct answer
A. Do not implement special methods casually if the resulting semantics would surprise the next engineer or the caller.
Why
Do not implement special methods casually if the resulting semantics would surprise the next engineer or the caller. This is a common failure mode in real Python code and a frequent interview follow-up.
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