Code HS Answers: Lessons 1-20 (2022/2023) Already Passed

Code HS Answers: Lessons 1-20
(2022/2023) Already Passed
Which is a valid Karel command?

move;

MOVE

move();


move() ✔✔move();




What is a street in a Karel world? ✔✔Row




What is an avenue in a Karel world? ✔✔Column




If Karel starts at Street 1 and Avenue 3 facing East, what street (row) and avenue (column) will

Karel be on after this code runs?

move();

move();

move();

turnLeft();

,move(); ✔✔Street 2 Avenue 6




If Karel is facing North and the code

turnLeft();

turnLeft();


runs; which direction is Karel facing now? ✔✔South




How many times should Karel turn left in order to turn right? ✔✔3




What can be used to teach Karel to turn right? ✔✔functions




Which function will teach Karel how to spin in a circle one time?

function spin() {

turnRight();

}

function spin() {

turnLeft();

turnLeft();

,turnLeft();

turnLeft();

}

function spin() {

turnLeft();

turnLeft();

}

function spin() {

move();

move();

move();

move();


} ✔✔function spin() {


turnLeft();

turnLeft();

turnLeft();

turnLeft();

}

, How many times should the start function be defined in a program? ✔✔1




How many times should the start function be called in a program? ✔✔0




Why do we use functions in programming? ✔✔Break down our program into smaller parts


Avoid repeating code

Make our program more readable




What is a top down design? ✔✔Top down design is a way of designing your program by starting

with the biggest problem and breaking it down into smaller and smaller pieces that are easier to

solve.




What is a code comment ✔✔A way to give notes to the reader to explain what your code is

doing




What commands does SuperKarel know that regular Karel does not? ✔✔turnAround(); and

turnRight();