関連ワード:  string is a data type or not    string is a data type or not in c    string is a data type or not in java    string is a data type or not in python    string is a primitive data type or not    string is data type or not in cpp    string is primitive data type or not in java    show string is a mutable data type or not    string is a primitive data type or non primitive    string data type is not supported in python