Code Review · interview question

Which option is the safer default when shipping code around readability tradeoffs?

Multiple choiceHardchapter-8-curatedpremiumcode-reviewreadability-tradeoffs

python

totals = [
    row["unit_price"] * row["quantity"]
    for row in rows
    if row["status"] == "ready"
]

Choose the simpler shape that keeps the rule obvious, validated, and easy to observe in logs or tests.Solve the symptom with comments only and avoid changing the code shape around readability tradeoffs.Delay clarity until production traffic reveals the edge case and then patch it under pressure.Keep readability tradeoffs implicit so the script stays short and hope the next engineer infers the rule.

Answer and explanation

Correct answer

A. Choose the simpler shape that keeps the rule obvious, validated, and easy to observe in logs or tests.

Why

The safest default is usually the one that lowers ambiguity and makes errors easier to diagnose.

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Which option is the safer default when shipping code around readability tradeoffs?

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