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Control Flow · interview question

Which option is the safer default when shipping code around guard clauses?

Multiple choiceHardchapter-2-curatedpremiumcontrol-flowguard-clauses
python
def validate_line(sku: str, quantity: int) -> None:
    if not sku:
        raise ValueError("sku is required")
    if quantity <= 0:
        raise ValueError("quantity must be positive")
Choose one answer
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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