関連ワード:  how to set up an array in python    how to set up an empty array in python    how to set up a 2d array in python    how to create set from array in python    how to create an array in python    how to make an array a set in python    how to create an array in python of size n    how to create an array in python using numpy    how to create an array in python with user input    how to form an array in python