13. Exercises B
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lots-younger?: number(age1) number(age2) -> boolean. True if the first person is lots younger than the second (15 years or more). -
kinda-close? number(x) number(y) -> boolean. True if x and y are “kinda close” to each other, which we define to be within 20. -
is-green-circle?: image -> boolean. True if the image is a pure green circle (of any radius). -
is-expensive?: string(material) number(weight) -> boolean. True if the material is diamond or the weight is more than 30.