Take Quiz - Python Interview Challenge ⭐

1. Q1. Which of the following data types is mutable in Python?

A) Tuple B) String C) List D) Integer

2. Q2. What will be the output? x = [10, 20, 30] print(x[-1])

A) 10 B) 20 C) 30 D) Error

3. Q3. How do you access the "name" value from this dictionary?employee = {"name": "Rahul", "salary": 30000}

A) employee.name B) employee["name"] C) employee(name) D) employee->name

4. What does the append() method do?

Deletes an element from a list Adds an element to the end of a list Sorts a list Reverses a list

5. What will be the output? x = [1, 2, 3] x.reverse() print(x)

[1, 2, 3] [3, 2, 1] [1, 3, 2] Error

6. What is the main property of a tuple?

Mutable Immutable Always sorted It can store only numbers

7. What will be the output? x = "Python" print(x[0])

P y Python Error

8. What is the purpose of the len() function?

To find the length or number of elements To delete data To store data To reverse data

9. What will be the output? x = 10 y = 3 print(x // y)

3.33 3 4 1

10. Which keyword is used to define a function in Python?

function define def func

11. What is the purpose of *args?

To accept multiple positional arguments To open multiple files To handle errors To connect to a database

12. What is the purpose of **kwargs?

To accept multiple positional arguments To accept multiple keyword arguments To accept only integer arguments To accept only string arguments

13. What is a lambda function in Python?

An anonymous function A database function A class function A built-in module

14. What does OOP stand for?

Object-Oriented Programming Object-Operating Process Organized Object Programming Object-Oriented Process

15. What is a class in Python?

A database A blueprint for creating objects A Python package A variable

16. What is an object?

An instance of a class A function keyword A Python module An exception

17. What is the main purpose of inheritance?

Code reuse Database deletion Variable renaming Stopping a program

18. Which of the following is an OOP concept?

Encapsulation Interpretation Compilation Execution

19. Which construct is commonly used for exception handling?

if-else try-except for-while switch-case

20. When does the finally block normally execute?

Only when an error occurs Only when no error occurs In both error and non-error situations It never executes

21. Which method returns all key-value pairs from a dictionary?

employee.keys() employee.values() employee.items() employee.all()

22. Which operator should be used to find employees whose salary is greater than 20,000? if salary ____ 20000:

< > == !=

23. Which library can commonly be used to connect Python with PostgreSQL?

psycopg2 numpy matplotlib pytest

24. What is the purpose of commit() in a database transaction?

To save transaction changes To create a database connection To delete a query To create a table

25. What will be the output? a = [1, 2, 3] b = a b.append(4) print(a)

[1, 2, 3] [4] [1, 2, 3, 4] Error

Python Interview Challenge ⭐

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