Computer Science Refreshment

Which Python code segment will display “Hello, world!” on the screen?

• display Hello, world!

• print("Hello, world!")

• print "Hello, world!"

• "Hello, world!"

What does the following Python code display?

print("Hello")

print("World")

• Hello

  World

• HelloWorld

• Hello World

• Hello

  World

What type is the following variable?

x = "Hi there"

• float

• integer

• boolean

• string

What does the following Python program print?

x = "I am"

y = 6

z = "feet tall"

print(x)

print(y)

print(z)

• I am 6 feet tall

• I am6feet tall

• I am

  6

  feet tall

• x

  y

  z

What is the type of the variable x in the following Python program?

x = input("Enter something: ")

• string

• integer

• float

• the type cannot be determined

Suppose you run the following Python program:

x = input("Enter some text: ")

print(x)

While the program is running, after the prompt has been printed, the user types the following and presses Enter:
Delaware ratified the U.S. Constitution in 1787.
What does the program print?

• Delaware ratified the U.S. Constitution in

• Delaware

• Delaware ratified the U.S. Constitution in 1787.

• (The program does not print anything)

What does the following Python program print?

x = 9 + 6 / 3 * 2 - 1

print(x)

• 9

• 12

• 15

• 21

What does the following Python program print?

x = 12 % 4

print(x)

• 0

• 1

• 3

• 4

Which of the following Python Programs will not run?

• x = 4

  y = 5

  print(x + y)

• x = 4

  y = "hi"

  print(x + y)

• x = 4

  y = 5.5

  print( x + y)

• x = 4

  print( x + 5)

How many possible values are there for a boolean variable?

• 1

• 2

• 3

• There is an infinite number of possibilities