Python Unit 3 Review

What is the final result of the expression 3 + 6*4?

• 15

• 12

• 27

• 19

What is the final result of the expression 9/ 2 + 4?

• 0

• 8.5

• 7

• 1.5

Choose the print statement below that will cause an error. Assume that num has the value 3, and name has the value "Juana".

• print(name + ":" ) print(num)

• print(name + " needs " + "num " + "books")

• print(name + ": " + str(num))

• print(name + ": " + num)

Which one of the statements below will cause an error?

• ans = "C at" * 6

• ans = "Cat" + 9

• ans = "cat" + "dog" + "cat"

• ans = ("cat" * 3) + "dog"

What does the following program print? a = "cat" b = 2 c = a * b print(type(c))

• <class 'str'>

• <class 'float'>

• catcat

• The program crashes and doesn't print anything.

Suppose you have a variable defined dog = "8". What is the variable type of dog?

• str

• int

• float

• number

Choose the option that correctly prints out the variable(s).

• x = "summer" print(int(x))

• apples = 4 print("apples")

• name = "Jose"

  age = 29

  print(name + "is " + age)

• month = "June" print("My favoorite month is " + month)

What kind of data does a float variable contain?

• Whole numbers

• Words

• Numbers that can have decimal components

• A float is not a Python variable type

What does the following code print?

x = 6.2

y = 2

print(x + y)

print(int(x))

• 8.2

  6.2

• 8.2

  6

• 8

  6

• The code causes an error

Which of the following options is the best way to get a number from the user that you plan to use in a mathematical equation?

• num = str(input("Enter a number: "))

• num = number(input("Enter a number: "))

• num = input("Enter a number: ")

• num = int(input("Enter a number: "))