# File karel/main.rb, line 11 def task() north = Robota::NORTH east = Robota::EAST world = Robota::World world.read_world("../worlds/stair_world.txt") karel = StairSweeper.new(1, 1, east, 0) karel.sweep_stairs() world.show_world_with_robots(1, 1, 6, 6) karel.display() end