main.py:从 0 到 1 搭建基于 LangGraph 的 AI Agent

main1.py:从零开始构建简单 ReAct Agent

conda create -n langgraph python=3.12 -y

conda activate langgraph

pip install langgraph langchain langchain-openai langchain-community pygraphviz

pygraphviz是用来图形化流程的，安装不上可跳过