Notes for Slide 12
In this example, there are four total statement in the if-endif-block
counting both the if-statement and the endif-statement. The two statements
in between will only run if the if-statement condition is true.
1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, [12 (top)], 13, 14, 15, 16, 17, 18, [Lab]