Functions · interview question
Which option is the safer default when shipping code around function extraction?
Multiple choiceHardchapter-2-curatedpremiumfunctionsfunction-extraction
def calculate_subtotal(unit_price: float, quantity: int) -> float:
return unit_price * quantity
def shipping_fee(subtotal: float) -> float:
return 0 if subtotal >= 100 else 6.50Answer and explanation
Correct answer
C. 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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