rectangle_stats(length, width) that returns a tuple (area, perimeter) for a rectangle with the given length and width.rectangle_stats(4, 5)
(20, 18)
area = 4*5 = 20, perimeter = 2*(4+5) = 18.
Python lets you return several values separated by commas; they are packed into a tuple.
area = length * width, perimeter = 2 * (length + width).