Round 1: real-time coding question, not too tough but hard to explain as a first-time interviewee

Application

I interviewed at Zomato (Gurgaon, Haryana)

Interview

I got an opportunity for interview. In the first round, they asked for a real time coding question which was not as tough but as I was giving my first interview, I couldn't explain it that well despite knowing the answer

Interview questions [1]

Question 1

Design a randomizer function for picking song from a list but not selecting last 20 recently played songs