Karel Drill

What does this code do?

• Puts down a row of balls

• Puts down a column of balls

• Puts down balls in a line up to the wall

• Removes all of the balls along a path to the wall

If Karel is facing South and the code:

turnLeft();

turnLeft();

runs; which direction is Karel facing now?

• North

• South

• East

• West

Which of the following is the correct way to define a turnRight function in Karel?

• function turnRight() { turnLeft(); turnLeft(); turnLeft();

  }

• function turnRight() { turnRight(); turnRight(); turnRight();

  }

• function turnRight { turnLeft(); turnLeft(); turnLeft();

  }

• turnRight function() { turnLeft(); turnLeft(); turnLeft();

  }