# File karel/remote_control.rb, line 94 def task $world.place_beepers(2, 1, 2) $world.read_world('../worlds/stair_world.txt') karel = RemoteControl.new('Ruby', 2, 5, Robota::NORTH, 3) karel = RemoteControl.new('Charley', 1, 1, Robota::NORTH, 3) $window.canvas.update rescue Exception => e puts e.to_s puts e.backtrace end