Learn String Manipulation by Building a Cipher - Step 38 - Using += not working

Python
1

Tell us what’s happening:

Why doesn’t just simply using encrypted_text += alphabet[new_index] work here?

Your code so far

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

# User Editable Region

for char in text.lower():
    index = alphabet.find(char)
    new_index = index + shift
    encrypted_text += alphabet[new_index]
    print('char:', char, 'encrypted text:', encrypted_text)

# User Editable Region

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Challenge Information:

Learn String Manipulation by Building a Cipher - Step 38

2

Likely because that hasn’t been introduced in this lesson / curriculum at this point. Someone new to programming would not be expected to know that, and it will be introduced later.

3

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