Python types at PyWeb 2025.05

  1. Python types at PyWeb 2025.05
  2. The Answer
  3. Add
  4. Add in function
  5. Shift-left (testing, programming)
  6. Function with type annotation
  7. Use mypy
  8. How add type annotation?
  9. Infer (deduct) the type
  10. Type in unannotated function
  11. Built-in types
  12. Complex types
  13. Either this or that type (Union)
  14. Optional type (variable can also be None)
  15. Define type alias
  16. Define complex type alias
  17. Define type for enum and complex dictionary
  18. mypy generics - plain
  19. mypy generics - cannot be any type
  20. mypy generics - limit the types by listing
  21. mypy generics - limit by functionality
  22. Two variables of the same and different types
  23. mypy suggestions
  24. The end
  25. Bloopers
  26. Define the type of variables
  27. Define the return type
  28. Complex types for Python 3.8 and before
  29. Either this or that type for Python before 3.10