from abc import ABC, abstractmethod
from typing import List, Dict, Optional


class ISpeakingService(ABC):

    @abstractmethod
    async def get_speaking_part(
            self, part: int, topic: str, second_topic: str, difficulty: str
    ) -> Dict:
        pass

    @abstractmethod
    async def grade_speaking_task(self, task: int, answers: List[Dict]) -> Dict:
        pass