関連ワード:  how to append to 2d array python    how to add to 2d array python    how to add column to 2d array python    how to add element to 2d array python    how to write 2d array python    how to append 2 dimensional array in python    how to insert into 2d array python    how to append a multidimensional array python    how to append 1d array to 2d array in python    how to append to a two dimensional array in python