Automation Scripts · interview question
What is the healthiest performance judgment around import/export mini project?
Multiple choiceHardchapter-4-curatedpremiumautomation-scriptsimport-export-mini-project
def export_summary(rows: list[dict[str, object]]) -> dict[str, int]:
return {"processed": len(rows), "failed": 0}Answer and explanation
Correct answer
C. Measure before optimizing, then change the part that actually dominates cost instead of guessing from style alone.
Why
Premature optimization is usually weaker than targeted optimization backed by measurement.
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