関連ワード:  how do you start a class in python    how do you create a class in python    how do you create a class object in python    how do you create a class method in python    how create a class in python    how do you create an instance of a class in python    how do you create an abstract class in python    how to set up a class in python    how to initiate a class in python    how to create a class in python with attributes