text: // The function maybeBuildTrap defines TWO parameters!
  function maybeBuildTrap(x, y) {
      // Use x and y as the coordinates to move to.
      hero.moveXY(x, y);
      var enemy = hero.findNearestEnemy();
      if(enemy) {
          // Use buildXY to build a "fire-trap" at the given x and y.
          hero.buildXY("fire-trap", x, y);
      }
  }
  
  while(true) {
      // This calls maybeBuildTrap, with the coordinates of the top entrance.
      maybeBuildTrap(43, 50);
      
      // Now use maybeBuildTrap at the left entrance!
      maybeBuildTrap(25, 34);
      // Now use maybeBuildTrap at the bottom entrance!
      maybeBuildTrap(43, 20);
  }    
  