Python basic interactions

What does the following Python program print?
x = 9 + 6 / 3 * 2 - 1
print(x)

• 9

• 12

• 11

• 21

Choose the correct declaration of a float variable with the value 3.14.

• myFloat = int(3.14);

• myFloat = 3;

• pi= 3.14

• myFloat = (int)3.14159;

Which of the following choices is NOT a Python variable type?

• string
• boolean
• pineapple

• float

What does the following program print?
a = "hi"
b = 4
c = a * b
print(type(c))

• 
  

  The program crashes and doesn’t print anything.

• 
  

  <type 'float'>

• 
  

  <type 'int'>

• 
  

  <type 'str'>

Suppose you have a variable defined a = "4". What is the variable type of a?

• string
• float
• integer
• boolean

What kind of data does a float variable contain?

• Whole numbers
• Decimal numbers
• Text strings
• Boolean values

What does the following code print?
x = 3.4

y = 1
print(int(x))
print(x + y)

• 3 4.4
• 3.4 4.4
• 3 4.5

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 = int(input(“Enter a number: “))

• num = input(“Enter a number: “)

• 1. num = str(input(“Enter a number: “))

• 1. num = number(input(“Enter a number: “))

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

• print(var_name)
• print(var)
• print(variable)
• print(variable_name)

What does the following Python program print?
x = 12 % 4
print(x)

• 4

• 0

• 1

• 3