Learn String Manipulation by Building a Cipher - Step 30

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i thought this was correct, whats wrong with it

Your code so far


# User Editable Region

text = 'Hello World'
shift = 3
alphabet = 'abcdefghijklmnopqrstuvwxyz'

for char in text.lower():
    index = alphabet.find(char)
    print(char, index, new_index)
    new_index = index + shift

# User Editable Region

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Challenge Information:

Learn String Manipulation by Building a Cipher - Step 30

Hi

You haven’t done this part of the instruction:

Confirm that by using the bracket notation to access the first letter in text and try to change it into a character of your choice. You will see the ouput disappear and an error appear.

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