DAVID MALAN: Let's now start to tie together some of these fundamentals and implement a sheep who counts himself. To do this, when green flag clicked, let's first initialize a counter to 0. So for that, we need a variable. We'll call it, literally, Counter. 

I'll drag in this statement to my program, initializing that counter to 0. Now I'm going to do the following forever. Every one second, I am going to say the value of that variable. Then I'm going to go ahead and wait for a couple of seconds. Then I'm going to go ahead and update the value of that variable. Let's click the green flag.