Codehs 1.18.4: Super Cleanup Karel

I'm so died, i try to solve this for hours

unction start(){

ballsTaken();

while(leftIsClear()){

endUpFacingEast();

ballsTaken();

if(rightIsClear()){

endUpFacingWest();

ballsTaken();

}else{

turnAround();

}

}

}

function ballsTaken(){

if(ballsPresent()){

takeBall();

}

while(frontIsClear()){

move();

if(ballsPresent()){

takeBall();

}

}

}

function endUpFacingEast(){

turnLeft();

move();

turnLeft();

}

function endUpFacingWest(){

turnRight();

move();

turnRight();

}

Explanation

Source code

i believe the answer is spam

answer; the correct answer is technician b;