Question 1

What is the output of the following code: for i in range(3): print(i)?

Accepted Answer

0
1
2

Answer

3

Answer

0
1
2
3

Answer

1
2
3

Question 2

What does the following code snippet print? for j in range(2, 5): print(j * 2)

Accepted Answer

4
6
8

Answer

2
4
6

Answer

2
3
4

Answer

0
2
4

Question 3

What will be the output of this code? for x in range(1, 4): print(x ** 2)

Accepted Answer

1
4
9

Answer

1
8
9

Answer

0
1
4

Answer

1
2
3

Question 4

What is the result of this code? for k in range(0, 5, 2): print(k)

Accepted Answer

0
2
4

Answer

1
3
5

Answer

0
1
2
3
4

Answer

2
4

Question 5

What does the following for loop output? for num in range(1, 6): print(num + 1)

Accepted Answer

2
3
4
5
6

Answer

1
2
3
4
5

Answer

0
1
2
3
4

Answer

5
6
7
8
9

Question 6

What will the following code output? for i in range(3): print('Hello')

Accepted Answer

Hello
Hello
Hello

Answer

Hello
Hello

Answer

Goodbye

Answer

Hello
Hello
Hello
Hello

Question 7

What does the following code produce? for i in range(3, 6): print(i * 3)

Accepted Answer

9
12
15

Answer

3
6
9

Answer

9
10
11

Answer

6
9
12

Question 8

What will be the output of this code? for i in range(5): print(i ** 2)

Accepted Answer

0
1
4
9
16

Answer

1
2
3
4
5

Answer

0
1
2
3
4

Answer

0
1
2
3
4
5

Question 9

What is the output of the following code? for i in range(10, 13): print(i + 5)

Accepted Answer

15
16
17

Answer

12
13
14

Answer

10
11
12
13

Answer

10
11
12

Question 10

What will this code output? for n in range(1, 4): print(n * n * n)

Accepted Answer

1
8
27

Answer

1
2
3

Answer

1
4
9

Answer

0
1
2

Question 11

What is the primary purpose of a while loop in Python?

Accepted Answer

To repeatedly execute a block of code as long as a given condition is true

Answer

To execute a block of code only once

Answer

To define a function

Answer

To sort a list of numbers

Question 12

What will happen if the condition in a while loop never becomes false?

Accepted Answer

The loop will run indefinitely, causing an infinite loop

Answer

The loop will execute only once

Answer

The loop will stop and throw an error

Answer

The loop will execute a certain number of times

Question 13

Which of the following is the correct syntax for a while loop in Python?

Accepted Answer

while condition:

Answer

while (condition);

Answer

repeat until condition:

Answer

if condition:

Question 14

What is typically used to modify the condition in a while loop to eventually terminate it?

Accepted Answer

A counter or variable that changes within the loop

Answer

An input statement

Answer

An error message

Answer

A print statement

Question 15

What will the following code snippet output? `count = 0; while count < 3: print(count); count += 1`

Accepted Answer

0
1
2

Answer

3
2
1

Answer

1
2
3

Answer

0
1
2
3

Question 16

If you want to create a while loop that continues until a user enters 'exit', which condition would you check?

Accepted Answer

The user's input not being equal to 'exit'

Answer

The user's input being equal to 'exit'

Answer

The user's input being a number

Answer

The user input being empty

Question 17

What is the output of the following code? `i = 1; while i <= 5: print(i); i += 2`

Accepted Answer

1
3
5

Answer

0
2
4
6

Answer

1
2
3
4

Answer

1
2
3
4
5

Question 18

What is an important thing to remember when using a while loop?

Accepted Answer

Ensure that the condition will eventually become false to prevent an infinite loop

Answer

The condition can only be a number

Answer

Always use a break statement

Answer

The loop must contain at least one print statement

Question 19

In a while loop, what happens to the block of code if the condition evaluates to false on the first check?

Accepted Answer

The code block inside the loop will not execute at all

Answer

The code block will execute multiple times

Answer

The code block will execute infinitely

Answer

The code block will execute once

Question 20

What does the following code snippet do? `x = 10; while x > 0: print(x); x -= 1`

Accepted Answer

Prints the numbers 10 to 1

Answer

Prints nothing at all

Answer

Prints the numbers 1 to 10

Answer

Prints the number 0

Question 21

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

Accepted Answer

A while loop continues until a condition is false, while a for loop iterates over a sequence of elements.

Answer

A while loop iterates over a sequence, while a for loop runs until a condition is true.

Answer

A for loop is used for infinite loops, while a while loop is used for limited iterations.

Answer

Both loops function the same way; they just have different names.

Question 22

In which scenario would you typically use a while loop instead of a for loop in Python?

Accepted Answer

When you don't know in advance how many times you need to repeat the loop.

Answer

When you want to iterate over a list of known items.

Answer

When you want to loop through a dictionary.

Answer

When you need to run the loop a fixed number of times.

Question 23

What happens if the condition in a while loop is never met?

Accepted Answer

The loop will run indefinitely, creating an infinite loop.

Answer

The loop will automatically switch to a for loop.

Answer

The loop will exit after a certain number of iterations.

Answer

The loop will execute once and then stop.

Question 24

How can you terminate a while loop before the condition evaluates to false?

Accepted Answer

By using a break statement.

Answer

By using a return statement.

Answer

By using a continue statement.

Answer

By changing the loop variable outside the loop.

Question 25

What is the typical use case for a for loop in Python?

Accepted Answer

To iterate over a collection, such as a list or a string, for a fixed number of times.

Answer

To run code randomly without any sequence.

Answer

To keep executing a block of code until a certain condition is met.

Answer

To create a loop that runs indefinitely.

Question 26

What will be the result of the following code snippet? 'for i in range(5): print(i)',

Accepted Answer

It will print the numbers 0, 1, 2, 3, and 4.

Answer

It will print the numbers 0 to 5, including 5.

Answer

It will print the numbers 1, 2, 3, 4, and 5.

Answer

It will print '0' five times.

Question 27

Which statement is true about the range function in a for loop?

Accepted Answer

The range function generates a sequence of numbers that the for loop can iterate over.

Answer

The range function must always start from 1.

Answer

The range function creates an infinite sequence of numbers.

Answer

The range function is only used for while loops.

Question 28

What is the main reason to use a while loop in Python?

Accepted Answer

To execute code repeatedly while a certain condition remains true.

Answer

To create an infinite loop without any condition.

Answer

To iterate over the elements of a list.

Answer

To execute code a specific number of times.

Question 29

Which of the following statements correctly describes a for loop in Python?

Accepted Answer

A for loop iterates over items in a sequence like a list or string.

Answer

A for loop can only be used with numerical values.

Answer

A for loop runs indefinitely unless a condition is met.

Answer

A for loop requires a break statement to finish.

Question 30

What will happen if you forget to update the condition variable in a while loop?

Accepted Answer

The loop may run indefinitely, causing an infinite loop.

Answer

The loop will execute a fixed number of times.

Answer

The loop will execute only once.

Answer

The program will automatically fix the error.

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