Code HS Answers: Lessons 1-20 | 100% Correct Answers | Verified | Latest 2024 Version

Code HS Answers: Lessons 1-20 | 100% Correct Answers | Verified | Latest 2024 Version 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(); Why should a programmer indent their code? - Helps show the structure of the code Easier for other people to understand Indenting is a key part of good programming style 2.4.7 Building a Shelter Code - turnLeft();