when we use Google Workspace API ,first login account get credentials .
https://developers.google.com/sheets/api/quickstart/python
https://github.com/googleworkspace/python-samples/blob/master/sheets/quickstart/quickstart.py
Run code,then login google accountshow messenger
The authentication flow has completed. You may close this window.
We get token.json in Working directory
If you get error,your credentials is not right.
error: Client secrets must be for a web or installed app
Read google developer
https://developers.google.com/workspace/guides/create-credentials