Learn String Manipulation by Building a Cipher - Step 49

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Unable to understand what to do here, because I have not only changed the whole code but also changed the variables then came to this point at last where is my code now. please any one can help here?

Your code so far

# User Editable Region

text = 'Hello Zaira'
shift = 3

def caesar(message, offset):
    alphabet = 'abcdefghijklmnopqrstuvwxyz'
    encrypted_message = ''

    for char in text.lower():
        if char == ' ':
            encrypted_message += char
            index = alphabet.find(char)
            new_index = (index + offset) % len(alphabet)
            encrypted_message += alphabet[new_index]
    print('plain text:', text)
    print('encrypted message:', encrypted_message)


# User Editable Region

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Learn String Manipulation by Building a Cipher - Step 49

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rename the text and shift variables to message and offset

this is the instruction. rename variables as per instruction

rename above text to message

no need to change below. it should be text with encrypted not message.

also don’t change string plain text change variables only