Picat Data Structures and Types 5

Question 1

What does `number(3.14)` return in Picat?

Accepted Answer

true

Answer

`number/1` succeeds for both integers and floats; 3.14 is a float and therefore a number.

Question 2

What does `integer(3.0)` evaluate to in Picat?

Accepted Answer

false

Answer

`integer/1` checks the type precisely; 3.0 is a float even though its value is whole, so it returns false.

Question 3

What does `round(3.7)` return in Picat?

Accepted Answer

4

Answer

`round/1` rounds to the nearest integer; 3.7 rounds up to 4.

Question 4

What is the result of `X is 7 // 2` in Picat?

Accepted Answer

3

Answer

The `//` operator performs integer division truncating toward zero; 7 // 2 = 3.

Question 5

Which function converts a number to its string representation in Picat?

Accepted Answer

to_string(N)

Answer

`to_string(N)` converts any Picat term, including numbers, to its string representation.

Picat Practice Test