Environment variables are not configured after installing Python:
How to configure python environment variables:
1. Enter the system properties ""Advanced""Environment Variables;
2. Find Path in Environment Variables "System Variables" and double-click the line;
3. After entering the page, click New, copy the python installation path to the newly created path, and then click OK;
4. After setting the environment variable, enter win+R and enter cmd to open the black window, enter python and press Enter to view the version of python
