Core Collections · interview question
A bug appears around lists. What is the strongest first debugging move?
Multiple choiceEasychapter-3-curatedpremiumcore-collectionslists
skus = ["SKU-1", "SKU-2", "SKU-3"]
print(skus[0], len(skus))Answer and explanation
Correct answer
C. Trace one concrete example, inspect the state transitions, and compare them to the intended rule before rewriting anything.
Why
That approach is reliable because it creates evidence. Treating every problem as a list can make lookup-heavy code slow and awkward.
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