Python 3.11✳

try:
    raise ExceptionGroup("batch", [
        ValueError("invalid input"),
        TypeError("unexpected type"),
    ])
except* ValueError as group:
    print("Value errors:", group)
except* TypeError as group:
    print("Type errors:", group)

import asyncio

async def main():
    async with asyncio.TaskGroup() as group:
        task = group.create_task(asyncio.sleep(0.1, result="done"))
    print(task.result())

asyncio.run(main())

import tomllib

config = tomllib.loads('name = "Python Atlas"')
print(config["name"])

from typing import Self

class Builder:
    def reset(self) -> Self:
        return self

error = ValueError("invalid input")
error.add_note("Failed while reading record 42")