​
from __future__ import annotations

import json
from dataclasses import asdict, dataclass


@dataclass
class Skillset:
    languages: tuple[str, ...] = ("C++", "Python", "Kotlin")
    mobile: tuple[str, ...] = ("Android", "Flutter")
    databases: tuple[str, ...] = ("SQLite", "PostgreSQL", "MySQL")
    misc     : tuple[str, ...] = ("Docker", "Firebase", "Selenium", "Rx")
    os: tuple[str, ...] = ("Windows Server", "Arch Linux", "Ubuntu", "MacOS")
    ongoing  : tuple[str, ...] = ("Django", "DRF", "Asyncio")

    def jsonify(self) -> str:
        return json.dumps(asdict(self), indent=4)


skillset = Skillset()
print(skillset.jsonify())
print("Power is pizza")
​