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Vibe codingMediumvc-g261
Subject Ai code reviewLevel Mid–Senior~14 minCommon in Databases & SQL interviewsIndustries Software development

Question

An AI wrote this label-fixup before training. It emits a SettingWithCopyWarning that the assistant told you to ignore, and downstream the corrected labels seem not to stick. Diagnose it.

python
train = df[df['split'] == 'train']# relabel mislabeled negatives discovered in audittrain['label'][train['raw_score'] > 0.9] = 1train['label'] = train['label'].astype(int)X = train.drop(columns=['label'])y = train['label']
What a strong answer looks like

Treat the AI’s output as a draft to verify, not an answer to trust. Name the specific flaw and the input that triggers it, say how you’d catch it — tests, edge cases, reading critically — and how you’d re-prompt or decompose to get it right.

Learn the concepts
Describe your solution

Vibe coding: describe the solution in plain language (or narrate it) and the coach grades your approach. Generating runnable code from your description is coming next.

Run or narrate your approach, then ask the coach.