03.Langgraph.txt

视频地址：https://www.bilibili.com/video/BV1nPMbzQELz?spm_id_from=333.788.videopod.episodes&vd_source=d4b23777458c9f0c9e0eb065a7a765b9&p=2

下载依赖：
pip install langgraph
pip install langchain
pip install langchain_community

使用镜像下载：
pip install -i https://pypi.tuna.tsinghua.edu.cn/simple/ langgraph
pip install -i https://pypi.tuna.tsinghua.edu.cn/simple/ langchain
pip install -i https://pypi.tuna.tsinghua.edu.cn/simple/ langchain_community