It will be accessible with the new PY() function.
No set up or installation is required.
Using Excels built-in connectors and Power Query, you could easily bring external data into Python in Excel workflows.
Machine Learning model predicting the weather using Python and Excel LAMBDA (Microsoft)
Python code in your spreadsheet runs in Microsoft’s own cloud servers, pulling libraries and applications from theAnacondarepository.
Microsoft also says “some functionality will be restricted without a paid license” after the initial preview period.
Microsoft says the feature will arrive on other platforms “at a later date.”
Source:Microsoft 365 Blog,Excel Blog
