from Person import Person

person1 = Person("Gunnar", 24, 80, 195)
person2 = Person("Roger", 24, 80, 195)
person3 = Person("Bernt", 24, 80, 195)
person4 = Person("Lise", 24, 80, 195)
person5 = Person("Roy", 24, 80, 195)

objekt_liste = [person1, person2, person3, person4, person5]

def endre_liste(liste):
    ny_liste = []
    for element in liste:
        ny_liste.append(element.hent_alder())
    return ny_liste

ny_liste = endre_liste(objekt_liste)
print(ny_liste)