title: Select a single row of a list box in PySimpleGUI
body: <p>My question is simple, I'm a begginer in PySimpleGUI, and I want to know how do I change the color of text in a list box, but i want to change only some specific lines, so it's important that I can run all the list and select the lines.
  Someone know how to do that, I'll be very thankfull.</p>