I just want to put it out there, this course is somewhat difficult and don’t feel down if it takes a while to get through it.
I just wrote and then deleted most of my SubmitGuess-class because I didn’t get it to work. Then I went on my merry way to do some other stuff and THEN it hit me. To compare you have to use ==… 
Back to the drawing board again and see if I remember how I wrote it.