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Python Interview Questions

Data structures, decorators, generators, the GIL, OOP, scope and memory management.

61 questions

Your progress0 / 61 reviewed
  1. 1. What is Python and Why is it Popular?

    easyFundamentals 5 mins
  2. 2. Difference Between List and Tuple in Python

    easyData Structures 5 mins
  3. 3. How Do Dictionaries Work in Python?

    easyData Structures 5 mins
  4. 4. Mutable vs Immutable Objects in Python

    mediumCore 6 mins
  5. 5. What is List Comprehension in Python?

    easyCore 5 mins
  6. 6. What are Decorators in Python?

    hardFunctions 8 mins
  7. 7. What are Generators and the yield Keyword?

    mediumFunctions 6 mins
  8. 8. What are *args and **kwargs in Python?

    easyFunctions 5 mins
  9. 9. What are Lambda Functions in Python?

    easyFunctions 5 mins
  10. 10. What is the Global Interpreter Lock (GIL) in Python?

    hardAdvanced 7 mins
  11. 11. Deep Copy vs Shallow Copy in Python

    mediumCore 6 mins
  12. 12. Difference Between is and == in Python

    easyCore 5 mins
  13. 13. What is the LEGB Rule (Scope) in Python?

    mediumCore 6 mins
  14. 14. How Does Exception Handling Work in Python?

    easyCore 5 mins
  15. 15. What are Context Managers and the with Statement?

    mediumCore 6 mins
  16. 16. What are Iterators in Python?

    mediumCore 6 mins
  17. 17. How Does Slicing Work in Python?

    easyCore 5 mins
  18. 18. Static Methods vs Class Methods in Python

    mediumOOP 6 mins
  19. 19. How Does Inheritance Work in Python?

    mediumOOP 7 mins
  20. 20. What is the self Keyword in Python?

    easyOOP 6 mins
  21. 21. What is the __init__ Method in Python?

    easyOOP 6 mins
  22. 22. What is Duck Typing in Python?

    mediumOOP 6 mins
  23. 23. What are Virtual Environments in Python?

    easyTooling 5 mins
  24. 24. What are f-strings in Python?

    easyCore 5 mins
  25. 25. Global vs Local Variables in Python

    easyCore 6 mins
  26. 26. How Do Sets Work in Python?

    easyData Structures 6 mins
  27. 27. How Do map, filter and reduce Work in Python?

    mediumFunctions 7 mins
  28. 28. Multithreading vs Multiprocessing in Python

    hardAdvanced 7 mins
  29. 29. What Does if __name__ == '__main__' Mean?

    easyCore 5 mins
  30. 30. How Does Memory Management Work in Python?

    hardAdvanced 7 mins
  31. 31. What are Python Data Types?

    easyFundamentals 6 mins
  32. 32. List vs Tuple: What is the Difference?

    easyFundamentals 5 mins
  33. 33. What is a Dictionary in Python?

    easyFundamentals 6 mins
  34. 34. What are List Comprehensions in Python?

    easyFundamentals 5 mins
  35. 35. What is PEP 8?

    easyFundamentals 5 mins
  36. 36. What are *args and **kwargs in Python?

    easyFunctions 5 mins
  37. 37. What is a Decorator in Python?

    easyFunctions 6 mins
  38. 38. What is a Generator in Python?

    easyFunctions 6 mins
  39. 39. Difference Between Deep Copy and Shallow Copy in Python

    mediumMemory & Objects 6 mins
  40. 40. What is the GIL (Global Interpreter Lock) in Python?

    mediumConcurrency 7 mins
  41. 41. What are Lambda Functions in Python?

    mediumFunctions 6 mins
  42. 42. How is Memory Managed in Python?

    mediumMemory & Objects 7 mins
  43. 43. What Is the Difference Between a Python Module and a Package?

    mediumFundamentals 5 mins
  44. 44. How Does Exception Handling Work in Python?

    mediumControl Flow 6 mins
  45. 45. What Is a Context Manager in Python?

    mediumFundamentals 6 mins
  46. 46. What Is the Difference Between Mutable and Immutable Types in Python?

    mediumData Types 6 mins
  47. 47. What Is List Slicing in Python and How Does It Work?

    mediumData Structures 5 mins
  48. 48. What Is __init__ in Python Classes?

    mediumObject-Oriented Programming 5 mins
  49. 49. What Are Iterators in Python and How Do They Work?

    hardAdvanced Concepts 7 mins
  50. 50. What Is pip and How Does It Manage Python Packages?

    hardTooling 6 mins
  51. 51. What Is a Virtual Environment in Python and Why Use One?

    hardTooling 6 mins
  52. 52. What Is Pickling in Python and When Should You Use It?

    hardAdvanced Concepts 6 mins
  53. 53. What Are Namespaces in Python and Why Do They Matter?

    hardAdvanced Concepts 6 mins
  54. 54. What Is Monkey Patching in Python and When Is It Appropriate?

    hardAdvanced Concepts 6 mins
  55. 55. How Do Descriptors Work, and What Is property() Actually Doing?

    hardObject Model 9 mins
  56. 56. How Does Python's Method Resolution Order Work and What Makes super() Cooperative?

    hardObject Model 9 mins
  57. 57. What Does __slots__ Do, and When Is It Worth Using?

    hardPerformance 8 mins
  58. 58. How Does the Context Manager Protocol Handle Exceptions, and When Does __exit__ Suppress Them?

    hardLanguage Internals 9 mins
  59. 59. How Do Weak References and the Cyclic Garbage Collector Work Together in Python?

    hardMemory Management 10 mins
  60. 60. What Are the Common Import System Pitfalls: Namespace Packages, Circular Imports and Editable Installs?

    hardPackaging 10 mins
  61. 61. How Do You Profile a Slow Python Script and Tell CPU-Bound From IO-Bound Work?

    hardPerformance 10 mins

Frequently Asked Questions

21 categories · pick one to explore

Where can I practice technical interview questions for free in India?
SkillVeris offers a free interview questions section with readiness scoring, so you can practice technical interview questions at no cost from anywhere in India or worldwide. Questions span AI/ML, programming, web development, DevOps, cloud and security. Combine them with Code Lab for hands-on coding practice and the AI Mentor for instant explanations whenever an answer confuses you.
How do I prepare for a coding interview if I am a complete beginner?
Start by learning one language well, then practice small problems daily before attempting interview questions. On SkillVeris you can take a free structured programming course with 24–40 lessons, write code in the in-browser Code Lab across 6 languages, and then move to the interview questions bank with readiness scoring to measure how prepared you actually are.
What is interview readiness scoring and how does it work?
Interview readiness scoring measures how prepared you are for a technical interview based on your performance across practice questions. On SkillVeris, as you answer interview questions, your readiness score updates so you can see weak topics before the real interview. It turns vague confidence into a concrete signal, telling you which areas need more revision and which are already strong.
How long does it take to get interview ready for a developer job?
Most beginners need a few months of consistent practice to feel interview ready, though timelines vary with background and daily study time. A practical route is finishing a structured SkillVeris course, which includes 24–40 lessons, module assessments and a final exam at an 80 percent pass mark, then drilling the free interview questions until your readiness score is consistently strong.
What are the most common technical interview topics for freshers?
Freshers are commonly tested on programming fundamentals, data structures, problem solving, databases, and basics of the role's stack such as web development or cloud. SkillVeris covers these through 37 free courses, a glossary of around 2,000 terms for quick definitions, cheat sheets for revision, and interview questions with readiness scoring so you can practise exactly what interviewers usually ask.
Can I practice coding interview prep without installing anything?
Yes, SkillVeris Code Lab runs entirely in your browser, so you can practice coding interview prep without installing compilers or editors. It supports 6 languages across 15 categories of exercises. Pair Code Lab sessions with the interview questions bank and readiness scoring, and you have a complete free preparation setup that works on any machine with an internet connection.
How do I explain technical concepts clearly in an interview?
Practice explaining each concept through a simple analogy first, then add the technical detail, because interviewers value clarity over jargon. SkillVeris teaches with its Learn Through Hobbies method, explaining concepts through cricket, music, gaming, cooking and eight more domains. Learning a topic through an analogy gives you a ready-made, memorable way to explain it when an interviewer asks.
Are there free mock interview resources for software engineers?
SkillVeris provides free interview questions with readiness scoring, which works like a self-paced mock interview you can repeat any time. You answer real-style technical questions, get scored, and see where you stand. The AI Mentor is available 24/7 to explain any answer at Quick, Detailed or Deep-dive depth, acting like an always-available interviewer who never gets tired.
How should I prepare for an AI or machine learning interview?
Cover ML fundamentals, Python, and modern topics like LLMs and RAG, then practise explaining projects clearly. SkillVeris has free AI/ML courses including Python for AI and ML, Large Language Models and Retrieval-Augmented Generation, each with 24–40 lessons and assessments. After finishing, use the interview questions bank and readiness scoring to confirm you can answer under pressure.
What should I revise the night before a technical interview?
Revise concise summaries rather than learning anything new: core definitions, common patterns, and your own project stories. SkillVeris cheat sheets and study notes are built exactly for this kind of quick revision, and the glossary of around 2,000 terms lets you verify any definition fast. A short readiness-score check on the interview questions bank confirms nothing critical is shaky.
How do I prepare for a DevOps interview with no work experience?
Build demonstrable knowledge through structured learning and hands-on practice, since you cannot point to job experience. SkillVeris offers free DevOps, Docker and Kubernetes related courses within its 37-course catalog and a DevOps Engineer learning path. Complete the courses, earn certificates by passing the final exams, then use the interview questions section to rehearse common DevOps scenarios.
Do certificates help in clearing technical interviews?
Certificates alone do not clear interviews, but they signal structured learning and give interviewers a starting point for questions. SkillVeris awards certificates when you pass a course final exam at 80 percent, after 24–40 lessons and module assessments, so the certificate reflects genuine effort. Pair it with practised interview answers and Code Lab projects to make a stronger impression.
How can I improve my problem solving speed for coding interviews?
Speed comes from repetition on progressively harder problems, not from rushing. Practise daily in SkillVeris Code Lab, which offers in-browser coding in 6 languages across 15 categories, and time yourself on interview questions. Review every mistake with the AI Mentor, which explains solutions 24/7 at Quick, Detailed or Deep-dive depth, so each session genuinely improves your pattern recognition.
What questions are asked in a Python technical interview?
Python interviews typically cover data types, functions, comprehensions, OOP, error handling and libraries relevant to the role, such as ML packages for AI positions. SkillVeris interview questions include Python topics, and its free Python for AI and ML course builds the underlying knowledge across 24–40 lessons. Readiness scoring then shows whether your Python answers are interview grade.
How do I handle interview questions I don't know the answer to?
Say what you do know, reason aloud toward an approach, and be honest about the gap, because interviewers value thinking over bluffing. Reduce how often this happens by broadening fundamentals: SkillVeris study notes, cheat sheets and the roughly 2,000-term glossary fill knowledge gaps quickly, and readiness scoring highlights weak areas before an interviewer ever finds them.
Is there a free way to check my interview readiness before applying for jobs?
Yes, SkillVeris interview questions come with readiness scoring, all completely free, so you can measure preparation before applying. Once your score looks solid, browse the SkillVeris Jobs page, which aggregates live roles across India, UK, USA, Germany and Remote with salary and experience filters, and apply knowing your technical preparation has been objectively tested.
How do I prepare for web developer interview questions?
Focus on JavaScript fundamentals, your framework of choice, HTTP basics, and building things you can discuss. SkillVeris offers free web development courses among its 37-course catalog, plus a Full Stack Java Developer learning path. After the courses, drill the interview questions bank, practise coding tasks in Code Lab, and use readiness scoring to verify you cover typical frontend and backend topics.
Can the AI Mentor help me practice interview answers?
Yes, the SkillVeris AI Mentor answers questions 24/7 and can explain any concept at Quick, Detailed or Deep-dive depth, which makes it useful for rehearsing interview explanations. Ask it to clarify a topic, then try explaining it back in your own words. Combined with the interview questions bank and readiness scoring, it becomes a free, always-available practice partner.
What is the best free platform for technical interview prep in 2026?
SkillVeris is a strong free option because it combines structured learning with dedicated interview preparation in one place. You get 37 free courses, interview questions with readiness scoring, an in-browser Code Lab for hands-on practice, cheat sheets and study notes for revision, and a 24/7 AI Mentor. Everything is free, which matters for learners in India and worldwide.
How do I stay calm and confident during a technical interview?
Confidence comes from evidence of preparation, so build that evidence deliberately. Complete a SkillVeris course, pass its final exam at the 80 percent bar, and watch your readiness score climb on the interview questions bank. Knowing you have explained concepts through analogies, coded in Code Lab, and scored well on practice questions gives you genuine, grounded calm on the day.

What Learners Say

Real journeys from the SkillVeris community — swipe for more.

SkillVeris taught me Python through Cricket. Now I’m building real projects and feeling confident!
Arjun S. · B.Tech Student
The best platform for hobby-based learning. Concepts finally stick.
Priya R. · Data Analyst
I went from zero coding to a portfolio of projects — all by learning through my love for gaming. Landed my first internship!
Kabir M. · CS Undergraduate
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