image_blur

challenge#1.rb

class Image
  attr_accessor :data
    def initialize (data)
      @data = data  
    end

    def output
      @data.each do |sub|
        sub.each do |cell|
          print cell
        end
        puts "\n"
      end
    end

 end

  image = Image.new([[0,0,0,0,1],
          [0,1,0,0,0],
          [0,0,0,1,0],
          [0,0,0,0,1]])
  image.output

after changing initialize method everything works as it should