introduce / test python concepts from 3.10, 3.11, 3.12

[brothercorvo]

see also #85
use data class
@DataClass

Here is a list of some notable new functionalities introduced in Python 3.10 and Python 3.11:

Python 3.10

1. Structural Pattern Matching:

   • Introduction of the match statement with case clauses, enabling powerful and expressive pattern matching.

2. Parenthesized Context Managers:

   • Allowing the use of multiple context managers within a single with statement using parentheses.

3. Precise Line Numbers for Debugging and Profiling:

   • Enhancements in the CPython implementation to provide more precise line numbers, improving debugging and profiling accuracy.

4. Parameter Specification Variables:

   • Addition of ParamSpec and Concatenate to typing, allowing for better type hints for decorators and higher-order functions.

5. Type Aliases:

   • The TypeAlias annotation, introduced to clarify when a variable is a type alias.

6. Improved Error Messages:

   • More informative and detailed error messages for better debugging and understanding of errors.

7. New Syntax Features:

   • Parenthesized context managers.
   • | operator for union types (e.g., int | float).

8. Deprecations and Removals:

   • Deprecated some legacy modules and features, such as distutils.

Python 3.11

1. Exception Groups and except*:

   • Introduction of ExceptionGroup and the except* syntax to handle multiple exceptions simultaneously.

2. Faster CPython:

   • Various performance improvements, making CPython execution faster (up to 10-60% in many scenarios).

3. New Syntax Features:

   • Introduced the self type for more accurate method type hints in classes.
   • Enhanced error messages with better clarity and information.

4. Fine-Grained Error Locations:

   • More precise locations for errors, especially in complex expressions.

5. Task and Coroutine Profiling:

   • Improved support for profiling tasks and coroutines, allowing better performance monitoring in asynchronous code.

6. Tomllib for TOML Parsing:

   • A new standard library module tomllib for parsing TOML configuration files.

7. Typing Improvements:

   • Enhancements to typing, including variadic generics and parameter specifications.

8. Enhanced Annotations and Typing:

   • Improved support for type hints and annotations, including LiteralString and Required.

9. Deprecations and Removals:

   • Continued deprecations and removals of legacy features and modules, aligning with Python's evolving standards.

10. test GIL

11. test JIT compiler