title: How to make IPython run on the python version 3.9.1 instead of the older version 3.7?
body: <p>I installed very recently IPython (version 7.19). I installed afterwords python3.9.1 replacing the older version 3.7.1. When I call IPython via the terminal, I always get the indication that IPython is running on the python version 3.7.1.</p>
  <p>How to make IPython run on the new version 3.9.1 ?</p>