/*this function represents *what karel has to do
*/
function start() {
turnLeft();
buildTower();
turnRight();
if(frontIsClear()){
toMove();
}
while(noBallsPresent();
turnLeft();
buildTower();
}
if(frontIsBlocked()){
goBack();
}
}

/*This represents karel is
*putting down the balls for making the tower
*/
function buildTower(){
putBall();
move();
putBall();
move();
putBall();
}

function
move();
turnRight();
move();
move();
turnLeft();
move();
}

i need help finding the issues

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