from typing import Protocol, Self
from dataclasses import dataclass


class Trait(Protocol):
    @classmethod
    def new() -> Self: ...

    def make_noise(self) -> str: ...


@dataclass
class Dog:
    name: str
    noise: str = "wuff"

    @classmethod
    def new(cls, value: float):
        return cls(value)

    def make_noise(self):
        self.bark()

    def bark(self):
        print(self.noise)


@dataclass
class Bird:
    noise: str = "piep"

    @classmethod
    def new(cls, value: float):
        return cls(value)

    def make_noise(self):
        self.tweet()

    def tweet(self):
        print(self.noise)


def main():
    print("Hi")
    animals: list[Trait] = [
        Dog("Schnuffi"),
        Bird(),
        Dog("Bello", "bell"),
        Bird("zirp"),
    ]

    for i in animals:
        i.make_noise()


if __name__ == "__main__":
    main()