Learn String Manipulation by Building a Cipher - Step 57

Python
1

Tell us what’s happening:

Describe your issue in detail here.
Next, inside the else block, declare a variable called key_char and assign it the value of key at the index key_index mod(% ) the length of key .

Your code so far


text = 'Hello Zaira'
custom_key = 'python'

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

    for char in message.lower():

/* User Editable Region */

        # Append space to the message
        if char == ' ':
            encrypted_text += char
        else:


/* User Editable Region */

            index = alphabet.find(char)
            new_index = (index + offset) % len(alphabet)
            encrypted_text += alphabet[new_index]
    print('plain text:', message)
    print('encrypted text:', encrypted_text)

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Challenge Information:

Learn String Manipulation by Building a Cipher - Step 57

2

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3

Hello ssday,

In the code you posted, it doesn’t show what you tried or what you’re stuck on. Can you give more details?

4

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