Top 100 Python Questions

Python Basics

  1. What is Python, and what are its key features?
  2. What are Python's key differences from other programming languages?
  3. Is Python interpreted or compiled?
  4. What are Python's data types?
  5. What is the difference between list and tuple?
  6. What is a Python dictionary, and how is it used?
  7. What are Python sets, and how do they differ from lists?
  8. What is the difference between deepcopy and shallowcopy?
  9. How do you handle exceptions in Python?
  10. What are Python decorators, and how do they work?
  11. What is the purpose of __init__ in Python classes?
  12. What is the difference between staticmethod and classmethod?
  13. What is the Global Interpreter Lock (GIL) in Python?
  14. How do you manage memory in Python?
  15. What is the difference between append() and extend() for lists?
  16. What is a lambda function in Python?
  17. What is the difference between range() and xrange() in Python 2?
  18. What are Python iterators and generators?
  19. What is the difference between yield and return?

Python Data Structures

  1. How do you reverse a list in Python?
  2. How do you sort a dictionary by value?
  3. How do you merge two dictionaries in Python?
  4. What is a list comprehension, and how is it used?
  5. What is a dictionary comprehension?
  6. How do you remove duplicates from a list?
  7. What is the difference between pop() and remove() for lists?
  8. How do you find the index of an element in a list?
  9. What is the difference between del, remove(), and pop()?
  10. How do you flatten a nested list in Python?

Python Functions

  1. What are positional and keyword arguments in Python?
  2. What is the purpose of *args and **kwargs?
  3. How do you pass a function as an argument in Python?
  4. What is a closure in Python?
  5. What is the difference between a function and a method?
  6. How do you return multiple values from a function?
  7. What is recursion, and how is it implemented in Python?
  8. What is the difference between map(), filter(), and reduce()?
  9. How do you create a function with optional arguments?

Object-Oriented Programming (OOP)

  1. What is OOP, and how is it implemented in Python?
  2. What are classes and objects in Python?
  3. What is inheritance, and how does it work in Python?
  4. What is method overriding in Python?
  5. What is the difference between super() and __init__()?
  6. What is polymorphism in Python?
  7. What is encapsulation in Python?
  8. What is the difference between public, private, and protected members in Python?
  9. What is the purpose of self in Python classes?
  10. What is a metaclass in Python?

File Handling

  1. How do you open and read a file in Python?
  2. What is the difference between read(), readline(), and readlines()?
  3. How do you write to a file in Python?
  4. What is the purpose of the with statement in file handling?
  5. How do you handle file exceptions in Python?

Python Libraries and Modules

  1. What is the difference between a module and a package in Python?
  2. How do you import a module in Python?
  3. What is the purpose of __init__.py in a package?
  4. What are some commonly used Python standard libraries?
  5. How do you install third-party libraries in Python?
  6. What is the difference between pip and conda?
  7. What is the purpose of virtualenv in Python?
  8. What is the difference between os and sys modules?
  9. How do you use the datetime module in Python?
  10. What is the purpose of the random module?

Error Handling and Debugging

  1. What is the purpose of try, except, and finally in Python?
  2. How do you raise an exception in Python?
  3. What is the difference between SyntaxError and Exception?
  4. How do you debug a Python program?
  5. What is the purpose of the logging module?

Python Advanced Concepts

  1. What is the difference between multithreading and multiprocessing in Python?
  2. What is the purpose of the asyncio module?
  3. What is a Python coroutine?
  4. What is the difference between threading and asyncio?
  5. What is the purpose of the collections module?
  6. What is the difference between defaultdict and dict?
  7. What is the purpose of the itertools module?
  8. What is the difference between pickle and json in Python?
  9. How do you serialize and deserialize objects in Python?
  10. What is the purpose of the unittest module?

Python Web Development

  1. What is Flask, and how is it used?
  2. What is Django, and how is it different from Flask?
  3. What is the purpose of views.py in Django?
  4. What is the difference between GET and POST requests?
  5. What is the purpose of urls.py in Django?
  6. What is a REST API, and how do you create one in Python?
  7. What is the purpose of requests library in Python?
  8. How do you handle JSON data in Python?
  9. What is the difference between session and cookies in web development?
  10. What is the purpose of middleware in Django?

Data Science and Machine Learning

  1. What is the purpose of NumPy in Python?
  2. What is the difference between NumPy arrays and Python lists?
  3. What is the purpose of pandas in Python?
  4. How do you handle missing data in pandas?
  5. What is the purpose of matplotlib in Python?
  6. What is the difference between scikit-learn and TensorFlow?
  7. How do you load a dataset in Python?
  8. What is the purpose of Jupyter Notebook?
  9. How do you perform data visualization in Python?
  10. What is the purpose of seaborn in Python?