Type Hints · interview question

Which move is the best default when function type hints becomes part of this workflow?

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Solve the symptom with comments only and avoid changing the code shape around function type hints.Keep function type hints implicit so the script stays short and hope the next engineer infers the rule.Delay clarity until production traffic reveals the edge case and then patch it under pressure.Add type hints where they make inputs and outputs easier to understand and safer to change.

Answer and explanation

Correct answer

D. Add type hints where they make inputs and outputs easier to understand and safer to change.

Why

Add type hints where they make inputs and outputs easier to understand and safer to change. That is the stronger engineering move because interviewers appreciate candidates who talk about contracts and refactoring safety instead of calling types merely optional decoration. Mechanical hints that do not improve the contract still leave the reader guessing what the function really promises.

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Which move is the best default when function type hints becomes part of this workflow?

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