equivalence-classes

My attempt: def merge(lsts): sets = [set(lst) for lst in lsts if lst] merged = True while merged: merged = False results = [] while sets: common, rest = sets[0], sets[1:] sets = [] for x in rest: if x.isdisjoint(common): sets.append(x) else: merged = True common |= x results.append(common) sets = results return sets lst … Read more