listen = [[1,2,3], [4,5,6], [7,8,9]]

print(listen[0]) # gir element på indeks 0 i ytre liste
print(listen[0][0])
print(listen[2][2])
print(listen[0][1])

for rad in listen:
    print(rad)

for rad in listen:
    for element in rad:
        print(element)

print("med indeksering")
antallRader = len(listen)
for i in range(antallRader):
    for j in range(len(listen[i])):
        print(listen[i][j])