/backup/temp_version_backup/

• ../
• chapter1.ipynb
• chapter10.ipynb
• chapter11.ipynb
• chapter12.ipynb
• chapter13.ipynb
• chapter14.ipynb
• chapter16.ipynb
• chapter17.ipynb
• chapter19.ipynb
• chapter3.ipynb
• chapter4.ipynb
• chapter5.ipynb
• chapter6.ipynb
• chapter7.ipynb
• chapter8.ipynb
• chapter9.ipynb
• chapter_2.ipynb