1. 1. Python Context Managers
2. 2. Context managers (with statement)
   1. 2.1. Why use context managers?
   2. 2.2. Using Context Manager
   3. 2.3. Context Manager examples
   4. 2.4. cd in a function
   5. 2.5. open in function
   6. 2.6. open in for loop
   7. 2.7. open in function using with
   8. 2.8. Plain context manager
   9. 2.9. Param context manager
   10. 2.10. Context manager that returns a value
   11. 2.11. Use my tempdir - return
   12. 2.12. Use my tempdir - exception
   13. 2.13. cwd context manager
   14. 2.14. tempdir context manager
   15. 2.15. Context manager with class
   16. 2.16. Context managers with class
   17. 2.17. Context manager: with for file
   18. 2.18. With - context managers
   19. 2.19. Exercise: Context manager
   20. 2.20. Exercise: Tempdir on Windows
   21. 2.21. Solution: Context manager