class WuliLiuyue:
    def life(self) -> tuple[list[str], int]:
        langs = ["Chinese", "English"]
        age = 18
        return langs, age

    def coding(self) -> tuple[list[list[str]], list[str], list[str]]:
        langs = [
            ["JS", "Dart"],
            ["Java", "Go"]
        ]

        specialities = [
            "Fullstack Engineer",
            "AI Agent"
        ]

        environment = ["Cursor", "Claude Code"]

        return langs, specialities, environment