# File default/observable_picker.rb, line 41
def task()
  world = RobotWorld.instance()
  world.place_beepers(2, 3, 10)
tom = WalkListener.new(1, 1, NORTH, 0)
jerry = ObservablePicker.new(2, 3, EAST, 0)
jerry.register(tom)
  jerry.pick_beeper()
  jerry.pick_beeper()
  jerry.pick_beeper()
  jerry.pick_beeper()
  jerry.pick_beeper()
  jerry.pick_beeper()
  jerry.move()
  puts jerry.inspect()
end