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public python v1 · immutabledef doit(a): b = [] while len(a) > 0: x = a.pop(0) if not x in b or not x in a: b.append(x) return bdef doit(a): b = [] while len(a) > 0: x = a.pop(0) if not x in b or not x in a: b.append(x) return b