使用方法和对象，但没有数组

I was here earlier before, and got pointed in the right direction. But I couldn't get the offered solution to work. It now mostly works, but i'm stuck on one part, and I'm not sure how to proceed. If anyone can point me to the right direction, i'll be grateful. I just need a hint, or pointers to something I'm not seeing.I was here earlier before, and got pointed in t