Learn String Manipulation by Building a Cipher - Step 59

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# User Editable Region

text = 'Hello Zaira'
custom_key = 'python'

def vigenere(message, key):
    alphabet = 'abcdefghijklmnopqrstuvwxyz'
    key_index = 0
   
    for char in message.lower():
        if char == ' ':
            encrypted_text += char
        else:
            index = alphabet.find(char)
            new_index = (index + offset) % len(alphabet)
            encrypted_text += alphabet[new_index]
    print('plain text:', message)
    print('encrypted text:', encrypted_text)

# User Editable Region

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Learn String Manipulation by Building a Cipher - Step 59

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