関連ワード:  how to get the array size in python    how to get the array length in python    how to check the array size in python    how to check the array length in python    how to get 2d array length in python    how to get array input without size in python    how to check array dimension in python    how to find array dimensions in python    how to calculate array length in python    how to get the size of 2d array in python