columns ID and sale price and if I don't have the right column names here when I go to submit my file I will get an error all right once I have made my predictions I'm going to write those predictions to a CSV file so I'm saving a file out that has all of my submission information in it from here I need to commit my notebook so committing runs all of your code top to bottom and it creates a stable version that you can refer back to later so if I'm making multiple submissions I can go back and I can look at the