class Amphibian

    attr_accessor :name, :swim, :spawns

    def initialize(name, swim, spawns)
      @name = name
      @swim = swim
      @spawns = spawns
    end

    def description
      puts "I am #{@name}, and I am an amphibian! I swim, and I spawn to make babies #{@spawns}"
    end
end

class Frog < Amphibian

  def initialize(name, swim, spawns)
    super(name, swim, spawns)
  end

  def description
    super + " Croak!"
  end
end