Variables & Constants
1. Which of the following is a constant by Python convention?
A) radius
B) Pi
C) PI
D) area
Answer: C) PI
2. What is a variable in a program?
A) A value that never changes
B) A named data store whose value can change
C) Always a number
D) Only used for input
Answer: B) A named data store whose value can change
3. Which of these is a correct way to declare multiple constants in Python?
A) CONST1, CONST2 = 5, 10
B) CONST1 = 5 CONST2 = 10
C) const CONST1, CONST2 = 5, 10
D) Dim CONST1, CONST2 As Integer
Answer: A) CONST1, CONST2 = 5, 10
4. Why should variable and constant names be meaningful?
A) To confuse the user
B) To make programs readable and maintainable
C) To make programs run faster
D) Python requires it
Answer: B) To make programs readable and maintainable
Data Types
5. Which of these is a Boolean data type in Python?
A) True
B) "True"
