CMU Unit 2.2.4 and 7.2 Variables

A variable declared within a subroutine or function

• Global

• Local

A variable declared in the main program

• Global

• Local

The correct way to write a variable in Python?

• myVariable = 10
• my Variable = 10
• myVariable is 10
• myVariable: 10

Which of the following is an advantage of using local variables?

• They allow the variable to be used throughout the whole program

• They allow variable identifiers to be reused each time

• They are easier to program than global variables

• A wider range of data types can be used

What term is used to describe data passed into/out of a program?

• Variable

• Loop

• Constant

• Parameter

Leo wants to create a subroutine / function that will roll a dice. Which syntax is correct?

• def dice roll ():

• def diceroll ()

• def diceroll ():

• def diceroll []:

Which of the following is an advantage of using global variables?

• They allow the variable to be used throughout the whole program

• They allow variable identifiers to be reused each time

• They are easier to program than global variables

• A wider range of data types can be used

#What are the colors of the 2 circles on the canvas that are seen?

Circle(100, 100, 100, fill='purple')

circle1=Circle(100, 300, 100, fill='pink')

circle1.fill='red'

• purple, pink

• purple, red

• pink, red

• red, pink

#What are the colors of the 2 circles on the canvas that are seen?

Circle(100, 100, 100, fill='purple')

Circle(100, 100, 100, fill='green')

circle1=Circle(100, 300, 100, fill='pink')

circle1.fill='red'

• purple, pink

• purple, red

• green, red

• green, pink

#How many circles are constructed?

Circle(100, 100, 100, fill='purple')

circle1=Circle(100, 300, 100, fill='pink')

circle1.fill='red'

• 1

• 2

• 3

• 4