Fynd Backend Developer (Python) interview questions

what I do in my current organization? the next set of questions were related to python and computer science concepts. 1. what is GIL(global interpreter lock) in python. 2. what is deep copy and shallow copy with example on an online editor 3. which code works faster? 1. with open("input.txt") as f: data = f.readlines() for line in data: process(line) -------------------------------- 2. with open("input.txt") as f: for line in f: process(line) 4. iterator,generator,event loop 5. set ,dict tuple 6. mutable and immutable what are these data types 7. what is lazy eval 8. concurrency vs parallelism 9. memory allocation in python