PRE TEST (Tracy-Python)

Variables allow us to:

• Name different parts of our programs

• Use english words to communicate with Tracy

• Store information to use in our programs

• Change the words Tracy recognizes

Top Down Design makes it easier to solve a problem by:

• Breaking the problem down into smaller parts

• Starting your code from the first command

• Starting with the biggest function and then moving to smaller ones

• Making each function hold only one command

Which of the following is NOT an example of using Top Down Design?

• Breaking a large code up into functions

• Writing code for one part of a function before tackling the whole thing

• Using descriptive names for variables

• Separating a large problems into smaller ones

Which of the following is NOT a way functions make our code more readable?

• Function names can describe what the function is completing

• Functions break our code into smaller, separate parts

• Each function only contains one command

• Functions shorten our code by reusing code that has already been written

What two things must be included in your function definition?

• A function name and commands to be performed

• Function variables and commands to be performed

• Commands to be performed and function arguments

• A function name and function variables

Which is the proper way to call the function three_circles?

• def three_circles:

• three_circles():

• def three_circles():

• three_circles()

Comments are:

• Written for humans to read and understand

• Only needed when a program is over 50 lines

• Commands performed by the computer

• Always blue when Python recognizes them

What symbol is used at the beginning of an in-line comment?

• "

• !

• #

• :

What punctuation is needed to begin a multi-line comment?

• #

• "

• """

• *

Which command will cause Tracy to move the fastest through the commands?

• speed(0)

• speed(1)

• speed(5)

• speed(10)