Python Internals · interview question

Another engineer will maintain this code later. What choice helps the most around dunder methods?

Multiple choiceMediumchapter-19-curatedpremiumpython-internalsdunder-methods

Keep dunder methods implicit so the script stays short and hope the next engineer infers the rule.Make the rule obvious in names, flow, and boundaries so the next reader does not have to reverse-engineer your intent.Solve the symptom with comments only and avoid changing the code shape around dunder methods.Delay clarity until production traffic reveals the edge case and then patch it under pressure.

Answer and explanation

Correct answer

B. Make the rule obvious in names, flow, and boundaries so the next reader does not have to reverse-engineer your intent.

Why

Maintainability comes from explicit intent. Interviewers often use repr and equality questions to test object-model understanding.

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Another engineer will maintain this code later. What choice helps the most around dunder methods?

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