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Exercise 3

You want to create a nice interface that allows you to accurately describe the action you want your program to perform. Create a method called spray_paint that can be called on an object and will modify the color of the car.

Solution

class MyCar
  attr_accessor :color
  attr_reader :year

  # ... rest of class left out for brevity

  def spray_paint(color)
    self.color = color
    puts "Your new #{color} paint job looks great!"
  end
end

lumina.spray_paint('red')   #=> "Your new red paint job looks great!"

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