Programming with Karel

Which of the following commands is a valid Karel command?

What makes the following command an invalid Karel command?

turnleft();

Why do we use functions in Karel programs?

If Karel starts at Street 1 and Avenue 1, facing East, where will Karel be, and what direction will Karel be facing after running the following code? (Assume the world is 10x10 in size)

move();

turnLeft();

putBall();

turnLeft();

turnLeft();

turnLeft();

move();

turnLeft();

arel starts at Street 1 and Avenue 1, facing East. After calling the stairStep function twice, where will Karel be and what direction will Karel be facing? (assume this is a SuperKarel program and the world is 10x10 in size)

function stairStep() {

move();

turnLeft();

move();

turnRight();

}

In this code, how many times is the dance function called and how many times is it defined?

function start() {

move();

dance();

move();

move();

turnLeft();

dance();

dance();

}

function dance() {

turnLeft();

move();

turnLeft();

turnLeft();

move();

turnLeft();

}

What’s wrong with this code?

function start() {

move();

go();

go();

}

function go() {

move();

move();

}

function go() {

move();

move();

}

How many total times will Karel move in this program?

function start() {

move();

for (var i = 0; i < 5; i++) {

move();

putBall(); }

}

What is wrong with this for loop?

for (var i = 0, i < 10, i + 1) {

move();

}

JavaScript

1. The for loop uses commas instead of semicolons

2. It should say i++ instead of i + 1

What is the proper format for a single line comment in Karel?