title: jupyter - how to comment out cells?
body: <p>Is it possible to comment out whole cells in jupyter?</p>
  
  <p>I need it for this case:</p>
  
  <p>I have a lot of cells, and I want to run all of them, except for a few of them. I like it that my code is organized in different cells, but I don't want to go to each cell and comment out its lines. I prefer to somehow choose the cells I want to comment out, then comment them out in one go (so I could later easily uncomment them)</p>
  
  <p>Thanks</p>