3 technical rounds (NLP, ML, Python) + HR; accepted offer

Application

I applied through a recruiter. The process took 2 weeks. I interviewed at Zomato (Gurgaon, Haryana) in Nov 2019

Interview

3 technical rounds followed by hr discussion. Technical questions were mainly related to nlp, ml algorithms, and also basic coding skill test of python. Interviewer are really knowledgeable about data science field so expect really good real life problem Statements related to ml application

Interview questions [1]

Question 1

How would you group by and apply a custom function