decrypted = b"abcdefghijklmnopqrstuvwxyz "
encrypted = b"qwertyuiopasdfghjklzxcvbnm "

encrypt_table = bytes.maketrans(decrypted, encrypted)
decrypt_table = bytes.maketrans(encrypted, decrypted)

result = ''
choice = ''
message = ''

while choice != '0':
    choice = input("\n Do you want to encrypt or decrypt the message?\n 1 to encrypt, 2 to decrypt or 0 to exit program. ")

if choice == '1':
    message = input('\nEnter message for encryption: ')
result = message.translate(encrypt_table)
print("result + '\n\n'")

elif choice == '2':
message = input('\nEnter message to decrypt: ')
result = message.translate(decrypt_table)
print("result + '\n\n'")

elif choice != '0':
print('You have entered an invalid input, please try again. \n\n')