Comments - apanloco

I'm a bit late to the cake, but anyway. The above poster is right, you write:
"Now we need to tell our mutator to do something. The mutator class that we are extending contains a lot of useful functions that allow us to change the way the game plays - find the file and open it - take a look at it, and you'll see a lot of code."
But we do not know which file. I really wanna check this "file" out, but you don't give the name out. I really doubt we will "see a lot of code" in the file we just created with 3 lines of code. Any hints appreciated.