title: What is the default font in Python Plotly?
body: <p>For instance, for a graph such as this made with basic plotly code
  <a href="https://i.stack.imgur.com/UeF11.png" rel="noreferrer"><img src="https://i.stack.imgur.com/UeF11.png" alt="enter image description here" /></a></p>
  <p>What is the font used here?</p>