curriculum/challenges/english/blocks/learn-string-manipulation-by-building-a-cipher/6555e43e783ed31a0532b1b2.md
The newline character \n is a special sequence used to represent a new line. You can write a backslash \ followed by an n as a normal sequence of characters in a string and it will be replaced by a new line in the output when the program runs.
Put a newline character at the beginning of your first print call and see the output.
You should modify your first print call into print(f'\nEncrypted text: {text}').
({ test: () => assert.match(code, /^print\s*\(\s*f("|')\\nEncrypted\stext:\s\{\s*text\s*\}\1\s*\)/m) })
text = 'mrttaqrhknsw ih puggrur'
custom_key = 'python'
def vigenere(message, key, direction=1):
key_index = 0
alphabet = 'abcdefghijklmnopqrstuvwxyz'
final_message = ''
for char in message.lower():
# Append any non-letter character to the message
if not char.isalpha():
final_message += char
else:
# Find the right key character to encode/decode
key_char = key[key_index % len(key)]
key_index += 1
# Define the offset and the encrypted/decrypted letter
offset = alphabet.index(key_char)
index = alphabet.find(char)
new_index = (index + offset*direction) % len(alphabet)
final_message += alphabet[new_index]
return final_message
def encrypt(message, key):
return vigenere(message, key)
def decrypt(message, key):
return vigenere(message, key, -1)
--fcc-editable-region--
print(f'Encrypted text: {text}')
print(f'Key: {custom_key}')
--fcc-editable-region--
#decryption = decrypt(encryption, custom_key)
#print(decryption)