Data Analysis with Python Projects - Mean-Variance-Standard Deviation Calculator

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i didn’t get solution so please me complete this project

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Data Analysis with Python Projects - Mean-Variance-Standard Deviation Calculator

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Hello dear,
while working on the python practice dashboard for beginners you sent me through one of the links, I encountered an issue whith this synthax. It seems clean and logical for me but I don’t know why the system said it should not pass:

text = ‘Hello Zaira’
shift = 3
def caesar():
alphabet = ‘abcdefghijklmnopqrstuvwxyz’
encrypted_text = ‘’
for char in text.lower():
if char == ’ ':
encrypted_text += char
else:
index = alphabet.find(char)
new_index = (index + shift) % len(alphabet)
encrypted_text += alphabet[new_index]
print(‘plain text:’, text)
print(‘text:’,text ,‘encrypted_tex:’,encrypted_text)

sorry, let me send but a screenshot

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