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Here's the corrected Python code for encrypting PDF files using PyPDF2, along with step-by-step instructions: Python Code # Step 1: Install PyPDF2 library # Run the following command in your terminal or command prompt: # pip install PyPDF2 # Step 2: Write the code from PyPDF2 import PdfReader, PdfWriter # Input and output file names input_file = 'test_file.pdf' # Replace with your PDF file name output_file = 'encrypted_file.pdf' # Name for the encrypted file password = 'YourPassword' # Replace with your desired password # Step 3: Read and encrypt the PDF reader = PdfReader(input_file) writer = PdfWriter() # Add all pages from the original PDF to the writer for page in reader.pages: writer.add_page(page) # Set encryption with a password writer.encrypt(password) # Write the encrypted PDF to a new file with open(output_file, 'wb') as output: writer.write(output) print(f"PDF has been encrypted and saved as '{output_file}'.") --- Steps to Use the Code 1. Install the PyPDF2 Library: Open your terminal or command prompt and run: pip install PyPDF2 2. Prepare the Input File: Place the PDF file you want to encrypt in the same directory as your Python script. Update the file name in the input_file variable if necessary. 3. Set a Password: Modify the password variable in the script to set your desired password for encrypting the PDF. 4. Run the Script: Save the Python code in a .py file (e.g., encrypt_pdf.py) and execute it: python encrypt_pdf.py 5. Verify the Output: After running the script, the encrypted file (e.g., encrypted_file.pdf) will be created in the same directory. Open the file, and you will be prompted to enter the password. 6. Test the Encryption: Use a PDF reader to open the output file. Ensure that it asks for the password to verify the encryption was successful.

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