CodeHS Python Chapter 2

Suppose you write a function. How many times can you call the function in your code?

• Once

• Not more than the number of commands the function holds

• It depends on the function

• As many times as you want

In which of the following situations would it be best to make a function?

• You want Tracy to draw a blue line, and your program requires lots of blue lines.

• You need Tracy to move forward by 100.

• You need Tracy to turn right and then turn left.

• You need to change Tracy’s color.

Which of the statements below is true about indentation in Python?

• Indentation only matters in for loops. Then, everything must be indented one level.

• Indentation never matters in Python. You can align your code any way you like, but indentation makes your code easier to read.

• Indentation always matters in Python. Every statement must be aligned correctly.

• Indentation only matters in functions. Then, everything must be indented one level.

Which of the following is NOT a purpose of using functions?

• Functions let Tracy do new things.

• Functions help group statements together to make your code more readable.

• Functions let you execute code a fixed number of times.

• Functions allow the programmer to reuse code.

What is the difference between defining and calling a function?

• Defining a function means you are teaching the computer a new word. Calling a function means you are commanding the computer to complete defined actions.

• There is no difference.

• Calling a function means you are teaching the computer a new word. Defining a function means you are commanding the computer to complete defined actions.

• Defining a function must be done each time you want to use the function. Calling a function can only happen once in your code.

Which of the following commands can be used to turn Tracy to face North if she is initially facing South?

• left(90)

• right(180)

• left(180)

• left(360)

What shape will be drawn with the following command?

circle(50, 360, 3)

(careful)

• A circle

• A hexagon

• A triangle

• A diamond

When the following for loop is complete, how many spaces will Tracy have moved?

for i in range(5):

forward(10)

• 50 spaces

• 60 spaces

• 10 spaces

• 5 spaces

The number or word we give to a variable

• Value
• Bug
• Information
• Text

What is the word (command) used to display numbers and text on the screen?

• print
• input
• output
• command