How would a real Python user like to exchange data with a Windows application?

I would like to hear how a real Python/JupyterLab developer would solve the problem of exchanging data to and from a c++ Windows application. Se my other post:
I want to be able to read data from my Windows application, then do different post-processing in Python/JupyterLab, and the optionally return some data back to my Windows application.
What would be the preferred way?
Thanks cpede

I don’t really know the limitations or capabilities in a Windows system, but in general (afaik) there three ways of doing it (ie, exchange data between Python and C or C++):

Also, the following pages may help you:

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