関連ワード:  which is not a data type in python    which is not a core data type in python    which is not a valid data type in python    which is not a sequential data type in python    which is not a core data type in python programming    which is not a basic data type in python    which is not a sequence data type in python    which is not a numeric data type in python    which is not a primitive data type in python    which is not a default data type in python