person2.py

>>> class Person:
...    def __init__(self, first_name, last_name):
...        self.first_name = first_name
...        self.last_name = last_name
...
...    @property
...    def full_name(self):
...        return self.first_name + ' ' + self.last_name
...
>>> me = Person('Ben', 'Davis')
>>> me.full_name
'Ben Davis'