Code reviewHardcr-g105

Subject Retry logicLevel Senior–Staff~30 minCommon in Code quality & review interviewsIndustries Software development

Question

Review this Python layered-retry across a call chain.

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

1def get_price(item):2    for _ in range(3):3        try:4            return pricing_client.fetch(item)  # also retries 3x internally5        except TransientError:6            continue7    raise PricingUnavailable()8 9def checkout(cart):10    return [get_price(i) for i in cart.items]  # called by an endpoint that retries 3x

Run or narrate your approach, then ask the coach.