Fixed #22978 -- Removed a USA-centric example that didn't add much.

        first_name = models.CharField(max_length=50)

        last_name = models.CharField(max_length=50)

        birth_date = models.DateField()

        address = models.CharField(max_length=100)

        city = models.CharField(max_length=50)

        state = models.CharField(max_length=2)      # yes, this is America-centric

        def baby_boomer_status(self):

            "Returns the person's baby-boomer status."

            else:

                return "Post-boomer"

        def is_midwestern(self):

            "Returns True if this person is from the Midwest."

            return self.state in ('IL', 'WI', 'MI', 'IN', 'OH', 'IA', 'MO')

        def _get_full_name(self):

            "Returns the person's full name."

            return '%s %s' % (self.first_name, self.last_name)