Area of a Rectangle

Published by ch47longhorn in
algebrageometrymath

Create a function that calculates the area of a rectangle. If the arguments are invalid, your function must return -1.

Examples

area(3, 4) ➞ 12

area(10, 11) ➞ 110

area(-1, 5) ➞ -1

area(0, 2) ➞ -1

Notes

N/A

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