関連ワード:  how to use a class method in python    how to run a class function in python    how to run class methods in python    how to use a class function in python    how to use a class method in another class python    how to use class method decorator in python    how to use another class function in python    how to use class variable in method python    how to run all methods in a class python    how to run a function inside a class in python