関連ワード:  how to combine 2 sets python    how to combine 2 lists python    how to join 2 sets python    how to join 2 lists python    how to merge two sets python    how to concatenate 2 lists python    how to concatenate 2 sets in python    how to concatenate two lists python    how to combine two lists in python and remove duplicates    how to combine two lists in python using zip