Code Room
Code reviewEasycr-p001
Subject CorrectnessLevel Mid–Senior~18 minCommon in Code quality & review interviewsIndustries Software development

Question

Review this helper meant to return events from the last n days. What do you flag?

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.

Talk through your review
Code to reviewpython
def last_n_days(events, n):    cutoff = now() - timedelta(days=n)    return [e for e in events if e.timestamp > cutoff]
Run or narrate your approach, then ask the coach.