関連ワード:  is int a valid data type in python    is integer a valid data type in python    int is a data type in python true or false    integer is a mutable data type in python true or false    which of the following is not a valid data type in python int float real bool    which is not valid data type in python    does python have data types    is date a data type in python    valid data types in python    is int a data type