Functions · interview question
A bug appears around batch helpers. What is the strongest first debugging move?
Multiple choiceHardchapter-2-curatedpremiumfunctionsbatch-helpers
def chunk_rows(rows: list[dict], size: int) -> list[list[dict]]:
return [rows[index:index + size] for index in range(0, len(rows), size)]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. If each caller re-implements the pattern slightly differently, the system drifts into inconsistent behavior.
Test yourself on Functions
A free test with instant, explained results. No account needed.
More Functions questions
- Which judgment is strongest when choosing a data shape for batch helpers?
- Which boundary choice best fits batch helpers in a maintainable Python system?
- What is the healthiest performance judgment around batch helpers?
- Which move is the best default when batch helpers becomes part of this workflow?
- Which explanation would sound strongest in an interview when discussing batch helpers?
- A teammate submits shaky batch helpers code. Which review comment is the strongest?