関連ワード:  how to get size of array in python    how to take length of array in python    how to determine size of array in python    how to get length of array in python    how to get dimension of array in python    how to get size of 2d array in python    how to get size of numpy array in python    how to get size of byte array in python    how to get length of json array in python    how to get length of 2d array in python