There’s no need to install extensions in order to get R up and running in Positron, as is the case with VS Code. Likewise you don’t have to install an extension for Positron to run Python.

Reticulate is a handy way to combine Python and R code. From the reticulate help page suggests that reticulate allows for: "Calling Python from R in a variety of ways including R Markdown, sourcing ...

Whether transitioning from biostatistics, software engineering or a broader STEM field, developing programming expertise—especially in the Statistical Analysis System (SAS), R, Python ...