Trainz(GA) interview questions

I was interviewed for trainz , in technical round he asked me to write sorting program ,and asked to explain about the project , and few logical questions, and few questions from python

Ask some basic questions related to apps Dsa,Dbms Introduction Project discussion Basic OOPS Question What all data structures do you know? BFS AND DFS sorting algorithm like where we use insertion sort and where quick and merge all sorting algorithms where we use all sorting algorithm which sorting algorithm is best and why