Karel Commands and Concepts

Which one of these is NOT a command that Karel knows?

• Turn Left

• Move

• Move Forward

• Put Ball

Why do we use while loops in Python?

• To break out of some block of code

• To do something if a condition is true

• To repeat some code while a condition is true

• To repeat something for a fixed number of times

What is an avenue in a Karel world?

• A row

• A column

• A single point

• Karel’s position

Which general while loop definition is written correctly?

• while x is true: # code

• if i<5: #code

• while I in range(5): # code

• while condition: # code

Which of these is a valid Karel command?

• move

• MOVE

• move()

• move(1)

What is a code comment?

• A way to teach Karel a new word

• A way to give notes to the reader to explain what your code is doing

• A message to your teacher in code

• A place to write whatever you want in your code

What is a street in a Karel world?

• A row

• A column

• A single point

• Karel’s position

Why do we use if statements in Python?

• To break out of some block of code

• To do something only if a condition is true

• To do something while a condition is true

• To repeat something for a fixed number of times

Why do we use functions in programming?

• Break down our program into smaller parts

• Avoid repeating code

• Make our program more readable

• All of the above

If Karel is facing North and the code turn_left() turn_left() runs, which direction is Karel facing now?

• North

• South

• East

• West