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318 B

class Animal {
constructor(public name: string) {}
speak(): void {
console.log(`${this.name}이(가) 소리를 냅니다.`);
}
}
class Dog extends Animal {
bark(): void {
console.log("멍멍!");
}
}
const myDog = new Dog("바둑이");
myDog.bark();
myDog.speak();