Dedup with O(n²) lookup
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.
0:00 of about 18 min
Mark a line and say what kind of problem it is.0 findings
1def dedup(items):
2 out = []
3 for x in items:
4 if x not in out:
5 out.append(x)
6 return out
Which questions mattered is sealed until you submit. Telling you now would just be handing over the edge cases.
Run or narrate your approach, then ask the coach.