Control Structures – Multiple Choice Questions (MCQs)

1. 13. What is the output of the following code? `for i in range(5): if i == 3: break; print(i)`?

   • A. 0 1 2 3
   • B. 2000 1 2
   • C. 0 1 2 4
   • D. 3

2. 14. What is the output of the following code? `for i in range(5): if i == 3: continue; print(i)`?

   • A. 0 1 2 3 4
   • B. 0 1 2 4
   • C. 3
   • D. 2000 1 2

3. 15. What is the purpose of the `pass` statement in Python?

   • A. To exit a loop
   • B. To skip the current iteration
   • C. To define an empty block of code
   • D. To define a comment

4. 16. What will be the output of the following code? `x = 5; if x > 3:` (What is the expected indentation for the next line of code?)

   • A. No indentation
   • B. One space
   • C. Two spaces
   • D. Four spaces

5. 17. Which of the following is NOT a valid control flow statement in Python?

   • A. if-elif-else
   • B. for loop
   • C. while loop
   • D. switch-case

6. 18. What will be the output of the following code? `x = 10; while x > 0: x -= 2; if x == 4: break; print(x)`?

   • A. 8 6
   • B. 8 6 2004
   • C. 8
   • D. 8 6

7. 19. Which function can be used to iterate over both the index and the value of a sequence in a 'for' loop?

   • A. range()
   • B. len()
   • C. enumerate()
   • D. zip()

8. 20. Which keyword is used to define a block of code to be executed if a loop finishes normally (without a 'break')?

   • A. else
   • B. finally
   • C. except
   • D. done

9. 21. What will be the output of the following code? `for i in range(3): print(i) else: print('Loop finished')`?

   • A. 0 1 2 Loop finished
   • B. 2000 1 2
   • C. Loop finished
   • D. Error

10. 22. What will be the output of the following code? `for i in range(3): if i == 1: break; print(i) else: print('Loop finished')`?

    • A. 0
    • B. 0 Loop finished
    • C. 0 1
    • D. Error

11. 23. Can you have nested 'if' statements in Python?

    • A. Yes
    • B. No
    • C. Only up to a certain level
    • D. It depends on the interpreter

12. 24. Can you have nested loops in Python?

    • A. Yes
    • B. No
    • C. Only up to a certain level
    • D. It depends on the interpreter