I use python as my main programming language, I’m doing an MBA in actuarial sciences and all my professors use R, so all the classes and exercises are in R. They are kind enough to accept my exercises and exams in python, but I spent half my time translating R functions to python. This pass week I found the first function that doesn’t exists in python and had to learn how to run R code inside python. Just the cell of that function took 6hs processing, because of the back and forth between python to R to python again.