Untitled

# ЛОГИКА ЗАШИФРОВКИ
def encrypt(word, step):
    encrypted = ''
    for char in word:
        encrypted += encrypt_symbol(char, step)
    return encrypted


def encrypt_symbol(symbol, step):
    if symbol.isalpha():
        i = rus.index(symbol) + step
        return rus[i % 32]
    return symbol


# ЛОГИКА РАСШИФРОВКИ
def decrypt(word, step):
    decrypted = ''
    for char in word:
        decrypted += decrypt_symbol(char, step)
    return decrypted.lower()


def decrypt_symbol(symbol, step):
    if symbol.isalpha():
        return rus[rus.index(symbol) - step]
    return symbol


def main():
    encrypted = "Блажен, кто верует, тепло ему на свете!"
    step = 1
    print(encrypt(encrypted, step))


rus = 'абвгдежзийклмнопрстуфхцчшщъыьэюя'
eng = ''

if __name__ == '__main__':  # абвгдежзийклмнопрстуфхцчшщъыьэюя, 32
    main()