Python Programming Quiz

What is the primary purpose of a loop counter?

• To store data

• To terminate a loop immediately

• To keep track of the number of iterations

• To generate random values

What will be the output of the following code? count = 0 while count < 3: print(count, end=" ") count += 1

• 1 2 3

• 0 1 2

• 0 1 2 3

• Infinite loop

Which of the following best describes a flag variable in loops?

• A variable that breaks the loop

• A constant value

• A boolean variable used to control loop execution

• A variable that prints the output

What will be the output of this code using a flag? found = False numbers = [1, 3, 5, 7, 9] for num in numbers: if num == 5: found = True print(found)

• True

• False

• 5

• None

Which of the following is an example of a sentinel-controlled loop?

• Loop with a flag variable

• Loop that stops when a special value is entered

• Loop with a counter only

• Infinite loop

What will be the output of this sentinel loop? while True: n = int(input("Enter a number (-1 to stop): ")) if n == -1: break print(n)

• 3 6 -1

• 3 6

• -1

• No output

Which is the correct syntax of Python’s ternary operator?

• if condition: x else y

• x if condition else y

• condition ? x : y

• x else y if condition

What is the output of the following? a = 5 b = 10 result = a if a > b else b print(result)

• 5

• 10

• True

• Error

What is the output of the nested ternary operation? x = 4 y = "Even" if x % 2 == 0 else "Odd" print(y)

• Even

• Odd

• 4

• Error

Which of the following is a disadvantage of using too many nested ternary operators?

• Code becomes slower

• Compilation time increases

• Code becomes unreadable

• Syntax errors occur by default