Learn String Manipulation by Building a Cipher - Step 67

Python
1

Tell us what’s happening:

Describe your issue in detail here.

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():
    
        # 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)
            new_index = (index + offset) % len(alphabet)
            encrypted_text += alphabet[new_index]
    
    return encrypted_text

# User Editable Region

vigenere(text, custom_key)
    return vigenere(text, custom_key)
    encryption = return vigenere(text, custom_key)


# User Editable Region

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Challenge Information:

Learn String Manipulation by Building a Cipher - Step 67

2

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3

Welcome to the forum @alexlanghe

The instructions:

Call your function passing text and custom_key as the arguments. Store the return value of the function call in a variable called encryption .

This can all be done in one line of code.
The last one, without the return statement.

Happy coding

4

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