Type Hints · interview question

Another engineer will maintain this code later. What choice helps the most around optional and collections?

Multiple choiceMediumchapter-10-curatedpremiumtype-hintsoptional-and-collections

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

Answer and explanation

Correct answer

C. 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. Strong candidates mention that dynamic languages still benefit from explicit expectations.

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Another engineer will maintain this code later. What choice helps the most around optional and collections?

Correct answer

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