russascii.py

alphabet = "абвгдеёжзийклмнопрстуфхцчшщъыьэюя"
print(len(alphabet))

aufgaben = [
    [31, 12, 16, 15, 16, 14, 10, 19, 20],
    [19, 6, 12, 18, 6, 20, 1, 18, 30],
    [1, 5, 3, 16, 12, 1, 20],
    [10, 15, 8, 6, 15, 6, 18],
    [5, 16, 24, 6, 15, 20],
    [8, 21, 18, 15, 1, 13, 10, 19, 20],
]

for a in aufgaben:

    l = ""

    for k in a:
        l = l + (alphabet[k - 1])

    print(str(a) + " -> " + l)