Karel/input-output in Python – Multiple Choice Test

Which command makes Karel move forward one step?

• step()

• walk()

• move()

• go()

Which command makes Karel turn 90° to the left?

• turnRight()

• turnLeft()

• rotateLeft()

• spin()

Which command puts a ball on the current square?

• putBall()

• dropBall()

• placeBall()

• ballDown()

If Karel is facing a wall and we call move(), what happens?

• Karel moves through the wall

• Karel stops silently

• An error occurs

• Karel jumps the wall

How do we define a new function in Python Karel?

• function turnRight();

• def turnRight():

• make turnRight()

• create turnRight:

Which definition correctly makes Karel turn right?

• def turnRight(): turnLeft()

• def turnRight(): turnLeft(); turnLeft(); turnLeft()

• def turnRight(): turnRight(); turnRight(); turnRight()

What will this code do?

def turnAround():
    turnLeft()
    turnLeft()

• Karel faces the same direction again

• Karel turns around 180°

• Karel moves two steps

• Karel does nothing

Why do we use functions in Karel?

• To confuse the program

• To reuse code and make it easier to read

• To move faster

• To replace built-in commands

Which of the following places a ball, then moves forward?

• move(); putBall()

• putBall(); move()

• putBall() only

• move() only

Which loop keeps running as long as a condition is true?

• for

• while

• repeat

• looping