NVIDIA Software Tool Development interview questions

Got call from referal. First round video round on Teams and it is totally technical+coding. They asked me 7 python coding questions on Hacker rank on live debugging. Mostly questions on OOPs and design patters(Singleton and design patterns) Second round also video round but it is bit difficult.. need to be more preferred on Linux core part. And also questions on python design patter and general python coding. Also automation framework explanation in deep.