[Karel] Unit9

Unit9

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Lesson2

Before	After

function main() {
   while(frontIsClear()){
      move();
      if(beepersPresent()){
         findBeeper();
      }
   }
}

function findBeeper(){
   turnLeft();
   while(frontIsClear()){
      move();
      if(noBeepersPresent()){
         putBeeper();
      }
   }
   turnAround();
   while(frontIsClear()){
      move();
   }
   turnLeft();
}