from bil import Bil

def hovedprogram():
    a = []

    bil1 = Bil("AB23547", "Toyota")
    bil2 = Bil("CD45679", "Mazda")
    bil3 = Bil("AB23547", "Ford")
    bil4 = bil3

    a.append(bil1 == bil2)
    a.append(bil1 == bil3)
    a.append(bil3 == bil4)
    a.append(bil3 is bil4)
    a.append(bil1 is bil3)
    a.append(bil4 is bil3)

    print(a[0])
    print(a[1])
    print(a[2])
    print(a[3])
    print(a[4])
    print(a[5])

    if bil3 is bil4:
        print("Sant")


hovedprogram()