Control Flow in Python: Interactive Learning Quizzes

Question 1

Which loop statement is used to iterate over elements in a sequence?

Accepted Answer

for loop

Answer

while loop

Answer

do while loop

Answer

foreach loop

Question 2

What is the primary difference between a 'while' loop and a 'for' loop in Python?

Accepted Answer

A while loop continues executing until a condition becomes false, while a for loop iterates through a sequence of elements.

Answer

A for loop continues executing until a condition becomes false, while a while loop iterates through a sequence of elements.

Answer

There is no difference between the two loop types.

Answer

A while loop is always more efficient than a for loop.

Question 3

Which of the following is NOT a valid conditional expression in Python?

Accepted Answer

a if b else c

Answer

a and b

Answer

not a

Answer

a or b

Question 4

What will the following Python code output: if 10 % 3 == 0: print('Divisible by 3')

Accepted Answer

Divisible by 3

Answer

Not divisible by 3

Answer

Error

Answer

Nothing

Question 5

What is the intended use of a 'continue' statement within a loop?

Accepted Answer

To skip the current iteration and proceed to the next one

Answer

To terminate the loop and exit

Answer

To pause the loop and return to it later

Answer

To restart the loop from the beginning

Question 6

Explain the difference between 'range()' and 'list()' functions in Python.

Accepted Answer

A range() function generates a sequence of numbers, while a list() function creates a list of values.

Answer

A range() function creates a list of values, while a list() function generates a sequence of numbers.

Answer

There is no difference between the two.

Answer

A range() function is always more efficient than a list() function.

Question 7

What will be the output of the following Python code: for i in range(5): print(i)

Accepted Answer

0, 1, 2, 3, 4

Answer

1, 2, 3, 4, 5

Answer

0, 2, 4

Answer

Nothing

Question 8

Identify the control flow statement that is not part of Python's repertoire:

Accepted Answer

jump

Answer

if-elif-else

Answer

for

Answer

while

Question 9

What is the primary purpose of Python's 'for' loop?

Accepted Answer

Repeated execution of code across a sequence of elements

Answer

Conditional execution of code based on a condition

Answer

Premature termination of loop execution

Answer

Function definition

Question 10

Predict the output of this Python code snippet:

if True:
    print('Hello')

Accepted Answer

Hello

Answer

No output

Answer

Error

Answer

Goodbye

Question 11

Explain the distinction between 'break' and 'continue' statements in Python:

Accepted Answer

'break' exits the loop, while 'continue' proceeds to the next iteration

Answer

'continue' exits the loop, while 'break' proceeds to the next iteration

Answer

They both exit the loop

Answer

They both proceed to the next iteration

Question 12

Which syntax is valid for iterating through a list in Python?

Accepted Answer

for item in list:

Answer

foreach item in list do

Answer

while item in list:

Answer

for item from list:

Question 13

Which of the following is not a valid comparison operator in Python?

Accepted Answer

++

Answer

==

Answer

!=

Answer

>=

Question 14

Which Python control flow statement repeatedly executes code until a condition is no longer true?

Accepted Answer

While loop

Answer

If statement

Answer

For loop

Question 15

Which keyword is used to start an if statement in Python?

Accepted Answer

if

Answer

else

Answer

elif

Answer

condition

Question 16

What is the purpose of an else statement in Python?

Accepted Answer

To execute code if the condition in the 'if' statement is false

Answer

To execute code if the condition in the 'if' statement is true

Answer

To define the condition for an if statement

Answer

To loop through a sequence of values

Question 17

Which loop statement is used to iterate over a sequence of items in Python?

Accepted Answer

for

Answer

while

Answer

do

Answer

foreach

Question 18

What is the difference between a while loop and a for loop in Python?

Accepted Answer

For loops iterate over a sequence of items, while while loops iterate until a condition is met.

Answer

While loops iterate over a sequence of items, while for loops iterate over a fixed number of items.

Answer

While loops iterate over a fixed number of items, while for loops iterate until a condition is met.

Answer

There is no difference between while loops and for loops in Python.

Question 19

Which conditional expression returns the greater of two values in Python?

Accepted Answer

max(a, b)

Answer

greater(a, b)

Answer

a > b

Answer

if a > b: a else b

Question 20

What is the output of the following Python code?

if True:
  print('True')
else:
  print('False')

Accepted Answer

True

Answer

False

Answer

Error

Answer

Nothing

Question 21

Which of the following Python statements is used to break out of a loop early?

Accepted Answer

break

Answer

continue

Answer

exit

Answer

stop

Question 22

What is the primary purpose of the pass statement in Python?

Accepted Answer

To act as a placeholder for code that will be added later

Answer

To skip the execution of a block of code

Answer

To terminate a program

Answer

To define a new function

Question 23

Which of the following statements accurately describes control flow in Python?

Accepted Answer

Control flow statements enable programmers to conditionally execute code or repeatedly execute code blocks.

Answer

Control flow statements exclusively control the execution of functions.

Answer

Control flow statements always execute in the order they are written.

Question 24

Which Python statement is used to execute a block of code only if a specified condition is met?

Accepted Answer

if-else

Answer

while

Answer

for

Answer

break

Question 25

What is the primary function of the break statement in a loop?

Accepted Answer

To terminate the execution of the loop immediately

Answer

To skip the current iteration of the loop

Answer

To continue the execution of the loop

Answer

To reverse the execution of the loop

Question 26

Which Python keyword is used to repeat a block of code a specified number of times?

Accepted Answer

for

Answer

while

Answer

repeat

Answer

times

Question 27

Consider the following Python code: print('Hello') if True else print('World'). What will be the output?

Accepted Answer

Hello

Answer

World

Answer

HelloWorld

Answer

An error message

Question 28

Which of these is NOT a control flow statement in Python?

Accepted Answer

print

Answer

if-else

Answer

for

Answer

while

Question 29

In Python, which statement executes a code block when a specific condition is met?

Accepted Answer

if (condition) :

Answer

assert(condition):

Answer

unless (condition):

Answer

when (condition) :

Question 30

Which code snippet below will display "Hello World!" only if the variable 'answer' equals 'yes'?

Accepted Answer

if answer == 'yes':
	print('Hello World!')

Answer

if answer is 'yes':
	print('Hello World!')

Answer

if answer = 'yes':
	print('Hello World!')

Question 31

In Python, which code snippet is a conditional expression?

Accepted Answer

x = 5 if y > 10 else 0

Answer

if x == 5:

Answer

while x > 0:

Question 32

Which of the following is NOT a control flow statement in Python?

Accepted Answer

print

Answer

if

Answer

while

Question 33

In Python, which statement repeatedly executes a code block as long as a condition is true?

Accepted Answer

while (condition):

Answer

if (condition):

Answer

for i in range(n):

Answer

if (condition) else:

Question 34

Which of the following is NOT a control flow statement in Python?

Accepted Answer

input

Answer

if

Answer

for

Answer

while

Question 35

What is the correct syntax for a while loop in Python?

Accepted Answer

while (condition):
    body

Answer

while condition:
    body

Answer

while : 
    body

Answer

while (condition) :
    body

Question 36

In Python, which keyword initiates a conditional statement?

Accepted Answer

if

Answer

when

Answer

else

Answer

unless

Question 37

Which of the following is not a valid relational operator in Python?

Accepted Answer

<>

Answer

<

Answer

==

Answer

!=

Question 38

What is the correct syntax for a for loop in Python?

Accepted Answer

for item in sequence:

Answer

for item of sequence:

Answer

for item from sequence:

Answer

for (item in sequence):

Question 39

Which of the following is a valid conditional expression in Python?

Accepted Answer

x if condition else y

Answer

when condition: x otherwise: y

Answer

if condition: x else: y

Question 40

What is the function of the `continue` statement within a loop?

Accepted Answer

Skip the current iteration and proceed to the next

Answer

Restart the loop body from the beginning

Answer

Immediately terminate the loop

Question 41

Which Python keyword is used to prematurely exit a loop?

Accepted Answer

break

Answer

continue

Answer

stop

Answer

exit

Question 42

Which statement below will execute the code block only if the condition is True?

Accepted Answer

if condition:

Answer

condition = True if

Answer

if condition

Answer

if True: condition

Question 43

What is the purpose of the 'break' statement in a loop?

Accepted Answer

To exit the loop immediately.

Answer

To repeat the current iteration of the loop.

Answer

To continue with the next iteration of the loop.

Answer

To pause the execution of the loop.

Question 44

Which of the following is a valid conditional expression in Python?

Accepted Answer

value if condition else default_value

Answer

if condition: value else default_value

Answer

value = condition if default_value else

Answer

condition ? value : default_value

Question 45

What is the correct syntax for an if-else statement in Python?

Accepted Answer

if condition:
  # code to execute if condition is True
else:
  # code to execute if condition is False

Answer

if condition:
  # code to execute if condition is True
then:
  # code to execute if condition is False

Question 46

Which Python control flow statement allows you to repeatedly execute a block of code until a condition is met?

Accepted Answer

while loop

Answer

conditional expression

Answer

for loop

Answer

if-else statement