Amazon Applied Scientist interview questions

The interviewee called me, and asked me what machine learning models I know. I told her like every model that I have heard of and explained quite well (in my idea). Then she asked a simple programming language just to have asked something. I suspected she is not serious about it. My guess was correct and after a day or two I received a rejection email with no explanation of what was wrong!

First round with a senior applied scientist, had a very good impression on him since the stuff we did are similar. Failed at the final Virtual Onsite round, the feedback said that I messed up most of the coding questions.