a = 0
sum = 0
while a != 10:
    sum += a
    a = input("Tast inn et tall.")
    a = int(a)

print("Du har tastet tallet 10, avslutter programmet")

print(sum)





a = 10
b = 1

while a > 0:
    b = b * 2
    a = a - b
    print("a =", a)
    print("b =", b, "\n\n\n\n")

print("a =", a)
print("b =", b)



















div = ["kamera", "lommebok", "pass", "mobillader"]

for ting in div:
    print("Pakket med: " + ting)

mengde = set(div)

for ting in mengde:
    print("Pakket med: " + ting)