Code Room
Code reviewMedium
Question
Review this Python function that processes a batch of files.
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
def merge_files(paths, out_path): out = open(out_path, "w") for p in paths: f = open(p) data = f.read() if not data.strip(): continue out.write(transform(data)) f.close() out.close() return out_pathRun or narrate your approach, then ask the coach.