python-lessons/homework_after_lesson7.py at main · Gopararelav/python-lessons · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
file = open("decfile.txt", "r+")
word = str(file.read()).lower()
choice = input("encode or decode? ").lower()


def encode(word):
    encoword = ""
    m = 0
    alphabet = "abcdefghijklmnopqrstuvwxyz"
    falphabet = "cdefghijklmnopqrstuvwxyzabв"
    for x in word:
        m = alphabet.find(x)
        if x not in alphabet:
            encoword += " "
        else:
            encoword += falphabet[m]
    return encoword


def decode(encoword):
    word = ""
    m = 0
    alphabet = "abcdefghijklmnopqrstuvwxyz"
    falphabet = "cdefghijklmnopqrstuvwxzab"
    for x in encoword:
        m = falphabet.find(x)
        if x not in falphabet:
            word += " "
        else:
            word += alphabet[m]
    return word


if choice == "encode":
    encoword = encode(word)
    print(encoword)
    file.write("\n" + encoword)
elif choice == "decode":
    encoword = word
    word = ""
    word = decode(encoword)
    print(word)