New instance of the same version of Python is opened automatically when Python Environment Manager icon is being clicked and activate

[simongcc]

When more than 1 active file is opened, the number of Python instance is increasing in the same project with the same Python version and environment. Isn't it sharing the same version if same Python environment is running?
Sometimes it opened even more, say 3 instance of the same Python version.
Is it a desired feature or behaviour?

The sometimes it open multiple instances of the default Python environment suddenly after click Run to run script.
but then when click again, it is gone from the memory and will not appear again even I do the same thing in other files.
Is it also expected behaviour?

I would like to know how to save memory from multiple instance of python in case they are reusable.
If not then it is ok. I just wonder how many of instance they will be created because it seems by experiment and observation that the no of instance have no fixed patter.

Thanks.
In my case, it is MacOS 14.4.1 Sonoma M1 Max