Code Room
Code reviewEasycr-p006
Subject PerformanceLevel Mid–Senior~18 minCommon in Code quality & review interviewsIndustries Software development

Question

Review this dedup-and-preserve-order function.

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 dedup(items):    out = []    for x in items:        if x not in out:            out.append(x)    return out
Run or narrate your approach, then ask the coach.