I don't remember everything, so this is to the best of my knowledge:

No code/hackerrank/leetcode online portion

What is the difference between an interpreter and a compiler?
What is object oriented programming?
What is polymorphism?
What is the difference between C++ and C?
What is inheritance?
Why do people prefer Python over C++ now?
What is the difference between Python and C++?
Does indentation matter in Python, and why?
What is the difference between a processor and a thread?