Python variables and operators quiz

Which of the following is NOT a valid Python data type?

• float

• int

• str

• positive

To test whether one number is greater than or equal to another, you would use the ​ (a)   conditional operator.

• >=
• <=
• >
• <
• =

Answer explanation

To combine two operators, just put them next to each other. Thus "greater than or equal to" combines greater than (>) and equal (=): >=

Which of the following is a valid Python assignment statement?

• x = 3

• x := 3

• x == 3

• x <- 3

What is the correct Python syntax to output the type of a variable?

• print(type(x))

• print(typeof(x))

• print(typeof x)

• print(type x)

How do you insert COMMENTS in Python code?

• // this is a comment

• /* this is a comment */

• # this is a comment

• -- this is a comment

Which of the following is NOT a Python keyword?

• for

• while

• loop

• if

Answer explanation

Which of the following will prompt a user for input and assign that input to a variable?

• x = input("Please enter your name: ")

• x = get(input)

• x = prompt("Enter your name: ")

• x = "Please enter your name: "

How do you declare a variable in Python?

• var x = 10;

• int x = 10;

• x = 10

• declare x = 10;

What is the output of the following Python code snippet?

print(type(5.0))

• <class 'int'>

• <class 'float'>

• <class 'str'>

• <class 'bool'>

Which of the following is NOT a valid Python comparison operator?

• !=

• ==

• <=

• =<

Answer explanation

The less than must appear before the equal sign!