関連ワード:  how to make a new array in python    how to create a new array in python    how to define a new array in python    how to create a new empty array in python    how to make a array in python    how to make a 2d array in python    how to make a 3d array in python    how to make a numpy array in python    how to make a random array in python    how to make a string array in python