🐍

Top 100 Python Interview Questions & Answers (2026)

100 Questions 35 Beginner 37 Intermediate 28 Advanced

About Python

Python is consistently ranked as the world's most popular programming language, dominating data science, machine learning, automation, scripting, and web development. From Google and Instagram to NASA and CERN, Python is ubiquitous across industries. Its readability and rich ecosystem make it the go-to language for both beginners and domain experts.

What to Expect in a Python Interview

Python interviews vary significantly by role. General Python roles test core language features, OOP, decorators, generators, and standard library knowledge. Data science roles add NumPy, Pandas, and ML frameworks. Backend roles (Django, Flask, FastAPI) focus on web frameworks, async Python, and API design patterns.

How to Use This Guide

Pay special attention to Python-specific features like list comprehensions, generators, context managers, and decorators — these frequently appear in technical screenings regardless of role type. The GIL and async sections are critical for senior engineering roles.

Curated by Tech Baithak Editorial Team · Last updated: May 2026

Beginner 35 questions

Core concepts every Python developer must know.

01 What is Python? 02 What are Python's key data types? 03 What is the difference between a list and a tuple in Python? 04 What is the difference between a list and a dictionary? 05 What is Python's indentation rule? 06 What are Python functions and how do you define them? 07 What are Python list comprehensions? 08 What are Python decorators? 09 What is the difference between is and == in Python? 10 What is a Python lambda function? 11 What is *args and **kwargs in Python? 12 What is exception handling in Python? 13 What is string formatting in Python? 14 What is Python's with statement (context manager)? 15 What is object-oriented programming in Python? 16 What are Python generators? 17 What are Python's built-in functions? 18 What is the difference between range() and xrange() in Python? 19 What is Python's None value? 20 What are Python modules and packages? 21 What is virtual environment in Python? 22 What are Python's comparison and logical operators? 23 What is file handling in Python? 24 What is the difference between deep copy and shallow copy in Python? 25 What is Python's global and local scope? 26 What are Python sets? 27 What is the difference between append() and extend() in Python lists? 28 What is Python's enumerate() function? 29 What is Python's zip() function? 30 What is slicing in Python? 31 What is Python's dict methods? 32 What is Python's sorted() vs list.sort()? 33 What is Python type hints? 34 What are Python's string methods? 35 What is Python's pprint module?

Intermediate 37 questions

Practical knowledge for developers with hands-on experience.

01 What are Python's class and static methods? 02 What is Python's property decorator? 03 What is Python's __str__ and __repr__ methods? 04 What is Python's __init__, __new__, and __del__? 05 What is Python's inheritance and MRO? 06 What is Python's iterator protocol? 07 What is Python's functools module? 08 What is Python's collections module? 09 What is the GIL (Global Interpreter Lock) in Python? 10 What is Python's threading module? 11 What is Python asyncio? 12 What is Python's multiprocessing module? 13 What is Python's dataclasses module? 14 What is Python's pathlib module? 15 What is regular expressions in Python? 16 What is JSON handling in Python? 17 What is logging in Python? 18 What is Python's unittest module? 19 What is pytest in Python? 20 What is Python's requests library? 21 What is Python's virtual environment and dependency management? 22 What is Python's context managers and the contextlib module? 23 What is the mutable default argument pitfall in Python? 24 What is the walrus operator (:=) in Python? 25 What is Python's structural pattern matching (match/case)? 26 What is Python itertools module? 27 What is Python's __all__ variable? 28 What is Python's super() in multiple inheritance? 29 What is Python's weakref module? 30 What is Python's subprocess module? 31 What is Python's argparse module? 32 What is Python's __call__ method? 33 What is Python's @functools.lru_cache? 34 What is Python's os and sys modules? 35 What is Python's copy module? 36 What is Python's heapq module? 37 What is Python's enum module?

Advanced 28 questions

Deep expertise questions for senior and lead roles.

01 What is Python's metaclasses? 02 What are Python descriptors? 03 What is Python's __slots__? 04 What is Python's Abstract Base Classes? 05 What is Python's @dataclass vs namedtuple vs attrs? 06 What is Python's memory management and garbage collection? 07 What is Python's __dunder__ (magic) methods? 08 What is Python's type system and static typing with mypy? 09 What is Python's decorator advanced patterns? 10 What is Python's async generators and async context managers? 11 What is Python's import system and __init__.py? 12 What is Python's performance optimization techniques? 13 What is Python's design patterns? 14 What is Django in Python? 15 What is Flask in Python? 16 What is Python's comprehension advanced patterns? 17 What is NumPy in Python? 18 What is Pandas in Python? 19 What is FastAPI in Python? 20 What is Python's chained exceptions? 21 What is Python's Protocol class for structural subtyping? 22 What is Python's __init_subclass__ and class decorators? 23 What is Python's asyncio advanced patterns? 24 What is Python's __enter__ and __exit__ for custom context managers? 25 What is Python's pickle module? 26 What is Python's bisect module? 27 What is Python's typing.TypedDict? 28 What is Python's PEP 8 and code style?

Back to All Topics 100 questions total