def produce_similarity_sets(list_of_lists):
list_of_sets = list_of_lists_to_list_of_sets(list_of_lists)
for pair_of_sets in make_pairs_of_sets(list_of_sets):
if check_similarity_of_sets(pair_of_sets, list_of_sets):
new = collapse_pair_of_sets(pair_of_sets)
list_of_sets.append(new)
return list_of_sets
def test_collapse_pair_of_sets(self):
l1 = ({2, 4}, {4, 9})
l2 = {2, 4, 9}
self.assertEqual(collapse_pair_of_sets(l1), l2, 'pair collapsing doesn\'t work')