Boolean-producing expressions are yes-or-no questions and will always evaluate to either true (“yes”) or false (“no”). What will each of the expressions below evaluate to? Write down your prediction in the blanks provided and then type the code into the Interactions Area to see what it returns.

Prediction Result Prediction Result

1 (<= 3 4)

2 (string>? "a" "b")

3 (= 3 2)

4 (string<? "a" "b")

5 (< 2 4)

6 (string=? "a" "b")

7 (>= 5 5)

8 (string<>? "a" "a")

9 (>= 4 6)

10 (string>=? "a" "a")

11 (<> 3 3)

12 (string<>? "a" "b")

13 In your own words, describe what < does.

14 In your own words, describe what >= does.

15 In your own words, describe what <> does.

Prediction: Result:

16 (string=? "a tree" "trees")

17 (string=? "tree" "tree")

18 (string-contains? "catnap" "cat")

19 (string-contains? "cat" "catnap")

20 How many Numbers are there in the entire universe?

21 How many Strings are there in the entire universe?

22 How many Booleans are there in the entire universe?

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