Reflection Ruby

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  4. The keyword __FILE__ stands for the name of the file containing the code
puts __FILE__
class MyClass
  @@note = 'A'
  def sing_hello
    @@note.succ!.succ!
    print "Hello... ", @@note, " "
  end
 end
myObject = [MyClass.new, MyClass.new, MyClass.new]
myObject.each { |stooge| stooge.sing_hello }