irb(main):001:0> class Plant
irb(main):002:1> attr_accessor :name, :water
irb(main):003:1> end
=> nil
irb(main):004:0> spiderplant = Plant.new
=> #<Plant:0x2511528>
irb(main):005:0> spiderplant.name = "Spider Plant"
=> "Spider Plant"
irb(main):006:0> spiderplant.water = 5
=> 5
irb(main):007:0> puts spiderplant.name
Spider Plant
=> nil
irb(main):008:0> puts spiderplant.water
5
=> nil
irb(main):009:0>