units 3 & 4 code hs

How many possible values are there for a boolean variable?

• 1

• 2

• 3

• There is an infinite number of possibilities.

Assume you are writing a program, and you have a boolean variable called b, defined like so:

b = True

Pick the correct if statement to follow the code above. The if statement should be correct Python, and the body of the if statement should only run if b is True.

• if b:

  print("b is True!")

• if b:

  print("b is True!")

• if True:

  print(b)

• if True:

  print(b

What does this Python expression evaluate to?

100 != 100

• True

• False

• "False"

• "True"

Which of the following programs will run but will not print anything?

• x = True

  if x:

  print("hi")

• if False:

  print("hi")

• x = False

  if x:

  print("hi")

  else:

  print("hello")

• if False:

  print "hi"

Which of the following is not a comparison operator?

• <=

• !=

• ?

• >

Which of the following is not a logical operator in Python?

• and

• or

• not

• because

Which of the following conditions tell me to sleep if my alarm did not go off (alarm = False) and I’m tired (tired = True)?

• if alarm and tired:

  sleep

• if not alarm or tired:

  sleep

• if not alarm and tired:

  sleep

• if not alarm and not tired:

  sleep

Which of the following evaluates to the variable x rounded to two decimal places?

• round(x, 2)

• round(2, x)

• round(x), 2

• round(2), x

Which of the following values is rounded to 3 decimal places?

• 2.3

• 3.000

• 3.0001

• 3

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

• display Hello, world!

• print("Hello, world!")

• print "Hello, world!"

• "Hello, world!"