1. 1. Python Decorators
2. 2. Decorators
   1. 2.1. Use cases for decorators in Python
   2. 2.2. Decorators: simple example
   3. 2.3. Decorators - Pytest
   4. 2.4. Decorators - Flask
   5. 2.5. Testing Flask
3. 3. Core built-in decorators
   1. 3.1. OOP - classmethod - staticmethod
4. 4. Functools
   1. 4.1. Decorators caching - no cache
   2. 4.2. Decorators caching - with lru_cache
   3. 4.3. LRU - Least recently used cache
   4. 4.4. LRU - Least recently used cache
5. 5. Functions and closures
   1. 5.1. Function assignment
   2. 5.2. Function assignment - alias print to say
   3. 5.3. Function assignment - don't do this
   4. 5.4. Passing functions as parameters
   5. 5.5. Traversing directory tree
   6. 5.6. Declaring Functions inside other function
   7. 5.7. Returning a new function from a function
   8. 5.8. Returning a closure
6. 6. Decorator
   1. 6.1. A simple function - use as it is
   2. 6.2. wrapper
   3. 6.3. Use wrapper as a function
   4. 6.4. Use wrapper as a decorator
   5. 6.5. Decorator to register function
   6. 6.6. A recursive Fibonacci
   7. 6.7. trace fibo
   8. 6.8. tron decorator
   9. 6.9. Decorate with direct call
   10. 6.10. Decorate with parameter
   11. 6.11. Decorator accepting parameter
   12. 6.12. Decorate function with any signature
   13. 6.13. Decorate function with any signature - implementation
   14. 6.14. Decorate function with any signature - skeleton
   15. 6.15. Decorate function with any signature - skeleton with name
   16. 6.16. Functool - partial
   17. 6.17. Exercise: Logger decorator
   18. 6.18. Exercise: decorators decorator
   19. 6.19. Solution: Logger decorator
   20. 6.20. Solution: Logger decorator (testing)
   21. 6.21. Solution decorators decorator
   22. 6.22. A list of functions
   23. 6.23. Insert element in sorted list using insort