1.下载
https://www.python.org/downloads/release/python-373/
选择’Windows x86-64 executable installer’
2.配置path
python路径：C:\Users\Administrator\AppData\Local\Programs\Python\Python37
pip路径：C:\Users\Administrator\AppData\Local\Programs\Python\Python37\Scripts
两个都需要添加
3.安装模块
pip install requests
