Consider shapes-table below, and the four value definitions that follow.

name corners is-round

"triangle"

3

false

"square"

4

false

"rectangle"

4

false

"circle"

0

true

 
shapeA = row-n(shapes-table, 0)
shapeB = row-n(shapes-table, 1)
shapeC = row-n(shapes-table, 2)
shapeD = row-n(shapes-table, 3)

1 Match each Pyret expression (left) to the description of what it evaluates to (right).

shapeD

1

A

Evaluates to 4

shapeA

2

B

Evaluates to the last row in the table

shapeB["corners"]

3

C

Evaluates to "square"

shapeC["is-round"]

4

D

Evaluates to true

shapeB["name"]

5

E

Evaluates to false

shapeA["corners"]

6

F

Evaluates to 3

shapeD["name"] == "circle"

7

G

Evaluates to the first row in the table

2 For each value on the left, write the Pyret expression that will produce that value on the right. The first one has been completed for you.

a.

"rectangle"

b.

"square"

c.

4

d.

0

e.

true

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