Learn String Manipulation by Building a Cipher - Step 71

Python
1

Tell us what’s happening:

I must be losing it… What is wrong here?
Its telling me to multiply the offset and the direction in the new_index assignment but…Im stuck…again…

Your code so far

text = 'Hello Zaira'
custom_key = 'python'

def vigenere(message, key, direction):
    key_index = 0
    alphabet = 'abcdefghijklmnopqrstuvwxyz'
    encrypted_text = ''

    for char in message.lower():
    
        # Append space to the message
        if char == ' ':
            encrypted_text += char
        else:        
            # Find the right key character to encode
            key_char = key[key_index % len(key)]
            key_index += 1

            # Define the offset and the encrypted letter
            offset = alphabet.index(key_char)
            index = alphabet.find(char)

# User Editable Region

            new_index = (offset * direction) % len(alphabet)

# User Editable Region

            encrypted_text += alphabet[new_index]
    
    return encrypted_text
    
#encryption = vigenere(text, custom_key)
#print(encryption)

Your browser information:

User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36

Challenge Information:

Learn String Manipulation by Building a Cipher - Step 71

2

you did this, but you deleted part of the expression. Reset the step, add the multiplication without deleting anything

3

on the already there offset?

4

yes, inside the expression

1 Like