# File default/mile_walker.rb, line 31
def task  
    lisa = MileWalker.new(3, 2, EAST, 0) 
      # Declare a new MileWalker lisa. 
    lisa.move_mile()
    lisa.move_mile()
    lisa.move_mile()
    lisa.move_mile()
    lisa.move_mile()
    lisa.move_mile()
    lisa.move_mile()
    lisa.move_mile()
    lisa.move_mile()
    lisa.move_mile()
    lisa.pick_beeper()
    lisa.turn_left()
    lisa.move_mile()
    lisa.move_mile()
    lisa.move_mile()
    lisa.move_mile()
    lisa.move_mile()
    lisa.turn_off()
    puts lisa.to_s
rescue Exception => e
  puts e.to_s
end