Task 3

def encode(message, key):
    data = list(message)
    code = list(str(key))
    print(code)
    count = 0
    k = 0 # кол-во прокруток
    converted_data = []
    for i in data:
        converted_data.append(ord(i))
    for i in range(len(converted_data)):
        converted_data[i] = converted_data[i] - 96
    while k != -1:
        # try:
        #     print(converted_data[count])
        # except:
        #     print(count,k,len(message))
        converted_data[count] = converted_data[count] + int(code[k])
        k += 1
        count += 1
        if count == len(message):
            k = -1
        if k == len(code):
            k = 0
    return converted_data