関連ワード:  how to make copy of array in python    how to make deep copy of array in python    how to make a copy of a 2d array in python    how to get a copy of an array in python    how to make array of arrays in python    how to make array in python numpy    how to make 2d array in python    how to make 3d array in python    how to make empty array in python    how to make multidimensional array in python