学习目标:
掌握LangChain基础用法
环境:
- JupyterLab
- Python 3.12.2
导入基础包
!pip install langchain -i https://mirrors.aliyun.com/pypi/simple/
!pip install zhipuai -i https://mirrors.aliyun.com/pypi/simple/
!pip install langchain_openai -i https://mirrors.ustc.edu.cn/pypi/web/simple
!pip install pymysql -i https://mirrors.aliyun.com/pypi/simple/
!pip install markdown -i https://mirrors.aliyun.com/pypi/simple/
确认版本
import sys
print("Python version:", sys.version_info.major, ".", sys.version_info.minor, ".", sys.version_info.micro)
主要编码内容
from langchain.chains import LLMChain
from langchain_core.prompts import ChatPromptTemplate