class MinMengde:
    def __init__(self):
        self._lagring = []

    def sett_inn(self,a):
        if a not in self._lagring:
            self._lagring.append(a)

    def fjern(self,a):
        self._lagring.remove(a)

    def hent_intern_liste(self):
        return self._lagring

    def __eq__(self,other):
        for v in self._lagring:
            if v not in other._lagring:
                return False

        for v in other._lagring:
            if v not in self._lagring:
                return False

        return True

x = MinMengde()
x.sett_inn(1)
x.sett_inn(2)
x.sett_inn(3)
print(x.hent_intern_liste())

y = MinMengde()
y.sett_inn(3)
y.sett_inn(2)
y.sett_inn(1)
print(y._lagring)

print()
print(x == y)