関連ワード:  object is not iterable in python    int object is not iterable in python    nonetype object is not iterable in python    float object is not iterable in python    bool object is not iterable in python    function object is not iterable in python    object is not iterable error in python    typeerror int object is not iterable in python    typeerror nonetype object is not iterable in python    typeerror float object is not iterable in python