gistfile1.txt

class Fun

  @@a = 1
  @b = 1

  class << self
    attr_accessor :hides
  end


  attr_accessor :shows

  def show_a
    puts @@a
  end

  def self.show_a
    puts @@a
  end

  def show_b
    puts @b
  end

  def self.show_b
    puts @b
  end

  def show_c
    @c = 2
    puts @c
  end

  def self.show_d
    @d = 10
    puts @d
  end

  def self.show_e
    @@e = 100
    puts @@e
  end
end

class Fly < Fun
  def self.show_a
    puts @@a
  end

  def self.show_b
    puts @b
  end
end