Code Reading · interview question

Which naming or modeling choice is strongest for dry runs and rule narration?

Multiple choiceHardchapter-2-curatedpremiumcode-readingdry-runs-and-rule-narration

python

def preview_shipping(subtotal: float) -> str:
    if subtotal >= 100:
        return "free shipping"
    return "standard shipping"

Use names and structures that describe the business fact directly instead of temporary implementation noise.Keep dry runs and rule narration 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.Solve the symptom with comments only and avoid changing the code shape around dry runs and rule narration.

Answer and explanation

Correct answer

A. Use names and structures that describe the business fact directly instead of temporary implementation noise.

Why

Clear naming and modeling shorten debugging, review, and onboarding time.

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Which naming or modeling choice is strongest for dry runs and rule narration?

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