Code reviewMediumcr-p100

Subject CorrectnessLevel Mid–Senior~18 minCommon in Code quality & review interviewsIndustries Software development

Question

Review this code transferring a credit between two rows.

What a strong answer looks like

Separate real bugs from style. Rank issues by severity, point at the root cause rather than the symptom, and suggest a concrete fix — specific and kind.

Learn the concepts

Talk through your review

Code to reviewpython

1db.execute('UPDATE accounts SET balance = balance - 100 WHERE id = 1')2db.execute('UPDATE accounts SET balance = balance + 100 WHERE id = 2')

Run or narrate your approach, then ask the coach.