通过豆包API接口实现LangChian

输出conversation_chain memory

import os
from langchain.llms.base import LLM
from langchain.chains import LLMChain, ConversationChain
from langchain.prompts import PromptTemplate
from openai import OpenAI
from pydantic import BaseModel, Extra

from langchain.memory import ConversationBufferMemory