title: how to create a venv with a different python version
body: <p>I have different venvs in my machine in which I have python 3.10.</p>
  <p>Now for a specific project, I realised that python 3.10 is not suitable as some libraries are still not compatible. Therefore when creating a new venv for a new project, I would like to downgrade python, say to 3.8, only for this specific venv.</p>
  <p>How can I do that?
  What should I type onto the terminal to do this?</p>
  <p>PS: I use VS and its terminal to create venv</p>