Home›Community›Top 10 Python interview questions for data science jobs
Top 10 Python interview questions for data science jobs
Coding Now Expert •
Jun 13, 2026 •
276 views
Here are the most commonly asked Python questions in data science interviews:
1. Difference between list, tuple, and set
2. Explain generators and iterators
3. What is pandas groupby?
4. How do you handle missing values in pandas?
5. Difference between apply() and map() in pandas
6. What is lambda function?
7. Explain list comprehension vs generator expression
8. What is the GIL in Python?
9. How does multiprocessing differ from multithreading?
10. What are Python decorators?
Practice these and you'll clear most Python rounds easily.