Intro to Programming: Tracy the Turtle 1

What command moves Tracy ahead 100 pixels?

• forward(100)

• move(100)

• trace(100)

• circle(100)

What command draws a circle with a diameter of 100?

• arc(100, 180, 5)

• draw_circle(100)

• circle(50)

• circle(100)

What does the command right(45) do?

• Draw a line to the right that is 45 pixels long

• Move Tracy 45 pixels to the right

• Rotate Tracy 45 pixels clockwise

• Rotate Tracy 45 degrees clockwise

What does this code do?

pendown()

forward(100)

penup()

forward(100)

pendown()

forward(100)

penup()

forward(100)

pendown()

• Draw a dashed line

• Draw a continuous line

• Draw a bold faced line

• Draw a curvy line

What does this code do?

pendown()

forward(50)

left(90)

forward(50)

left(90)

forward(50)

left(90)

forward(50)

• Draw four small squares

• Draw a circle

• Draw a trinalge

• Draw a square

Loops are:

• The only way to draw geometric shapes

• A way to repeat code without writing it over and over

• Coils of strings

• A convenient way to store values such as strings and numbers

Which of these lines of code will be repeated 4 times?

• 3 and 4

• All 6

• 3, 4, and 5

• 3, 4, 5, and 6

Which is the correct format a comment in Python?

• # This is a comment

• @ This is a comment

• /* This is a comment */

• // This is a comment

What are comments in a programming language?

• Lines that are executed first, used for describing code

• Formal definitions of input parameters

• Lines that import arithmetic modules

• Lines that are not executed, used for describing code

Which is the best name for a function that will draw a square?

• bob_func

• foo

• my_square_fn

• draw_square