Give me detailed notes for semester preparation every single information is important and also explain the pages which show diagrammatic presentation don't leave any information cover page by page give detailed notes which covers all the information
cd /home/daytona/workspace/attachments/bdaa100b-d4c4-4187-9a54-6a341aed76f9 && python3 -c " import pdfplumber, json files = [ 'Lesson 1. final slides_2.pdf', 'Lesson 2. Final Slides.pdf', 'Lesson 3 final slides_2.pdf', 'Lesson 4 final.pdf', 'Lesson 5 final_2.pdf' ] for fname in files: print(f'\n\n========== {fname} ==========') with pdfplumber.open(fname) as pdf: print(f'Total pages: {len(pdf.pages)}') for i, page in enumerate(pdf.pages): text = page.extract_text() print(f'\n--- PAGE {i+1} ---') if text: print(text) else: print('[No extractable text - likely image/diagram slide]') # Extract tables tables = page.extract_tables() if tables: for j, table in enumerate(tables): print(f'[TABLE {j+1}]') for row in table: print(' | '.join([str(c) if c else '' for c in row])) "