rectangle.rb

class Rectangle
  attr_reader :area, :perimeter

  def initialize(width, height)
    @area = width * height
    @perimeter = (width + height)*2
  end
end


r = Rectangle.new(23.45, 34.67)
puts "Area is = #{r.area}"
puts "Perimeter is = #{r.perimeter}"


#What if we change the instance variables to be area and perimeter, rather than width and length? What benefits does this give us?

#Shorter code and dimensions of rectangle are not exposed to modification.