How I Learned to Program

When I was a kid, I copied computer-program games out of books. This was a long time ago, so I bought books with nothing but programs, and typed them into computers.

When I first started doing it, I had no idea what I was doing. Eventually, I started to recognize certain things that were done over and over, and I almost understood them.

I started to change things—little things at first—to see what happened. Then I started making bigger changes. Eventually I got pretty good at it. And after a long time, I could write my own programs. I hope that this book will let you do the same, but with one important difference: I’ll explain what’s going on so you won’t have to guess quite as much.

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