Amazon Data Scientist interview questions

Many rounds can't 1st they never called me back And no mail came back from them cannot handle something like that I don't what I am typing and can it answer anything.

It was basically total four round, 1) Resume Verification : Internship, Good Project on Machine Learning or Deep Learning 2) Technical Round: Basic ML Algorithms and math behind them 3) Coding Round: Python or SQL 4) HR Round