関連ワード:  how to double elements in list python    how to duplicate elements in list python    how to remove duplicate elements in list python    how to find duplicate elements in list python    how to check duplicate elements in list python    how to get duplicate elements in list python    how to swap two elements in list python    how to add two elements in list python    how to count duplicate elements in list python    how to combine two elements in list python  
結果 : how to double elements in list python