class Person:
    def __init__(self, alder, hoyde):
        self.alder = alder
        self.hoyde = hoyde
        self.mat = 10

    def bursdag(self):
        self.alder += 1

    def hentAlder(self):
        return self.alder

    def tren(self):
        self.mat -= 7

    def spise(self, spis):
        self.mat += spis

    def erSulten(self):
        print("Er sulten") if self.mat < 3 else print("ikke sulten")



person1 = Person(20, 180)
person2 = Person(18, 170)
person3 = Person(20, 180)

print(person1.erSulten())
person1.tren()
person1.tren()
print(person1.erSulten())
person1.spise(8)
print(person1.erSulten())