# your code goes here
 
class Alphabet 
 
	def a_method
		'a_a_method'
	end
 
	def self.new_method
		'new method'
	end
 
	class << self
		def my_method
			'my method'
		end
	end
end
 
class AlphaNumeric < Alphabet
	attr_accessor :tu
 
end
 
obj_a = Alphabet.new
obj_an = AlphaNumeric.new
 
p obj_a.class
p obj_a.singleton_class
 
p obj_an.class.instance_methods(false)
# p obj_an.class.class_methods
p obj_an.a_method
p obj_an.class.new_method
p obj_an.class.my_method

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