The large number of high quality scientific and computational libraries that are easily available for Python (most things are a "conda install" or "pip install"

The large number of high quality scientific and computational libraries that are easily available for Python (most things are a "conda install" or "pip install" away) plus the Jupyter (literate programming) notebook (although that now supports other languages) currently make a very compelling case for using Python instead of Haskell and most other functional languages.