関連ワード:  what is immutable data type in python    what is immutable data type    what is immutable data type give an example    what is immutable data type in java    what is mutable and immutable data type    what is mutable and immutable data type in python    what is mean by immutable data type in python    what is mean by immutable data type    what is mutable and immutable data type with example    which one is immutable data type in python