please answer all que
cd /home/daytona/workspace/attachments/6eaf3cae-a36a-497c-af2f-bdc82f1df891 && python3 -c " import pdfplumber with pdfplumber.open('Immunology-1 (revision ).pdf') as pdf: print(f'Total pages: {len(pdf.pages)}') for i, page in enumerate(pdf.pages): text = page.extract_text() print(f'--- PAGE {i+1} ---') print(text) print() "