(self, last_name, first_name, age)
return user.save()
Update a user's age
Update a user's age
Update a user s age
def update(self, last_name, first_name, age):
        """ Update a user's age """
        user = self.get(last_name, first_name)
        user.age = age

        return user.save()
def update ( self , last_name , first_name , age ) : user = self . get ( last_name , first_name ) user . age = age return user . save ( )