class Gpa(DataScientist, SoftwareEngineer):
    def __init__(self):
        DataScientist.__init__(self)
        SoftwareEngineer.__init__(self)

        self.name = "Guido"
        self.roles = ["ML Engineer", "AI Engineer"]
        self.language_spoken = ["it", "en"]

    def say_hi(self):
        print("Hello there!")

me = Gpa()
me.say_hi()