Now that we have seen merge-sort and implemented it, it's time to solve a challenging problem using merge-sort. You can work in any programming language of your choice - Python, C++, Java, or anything else you want. Let's get started!

Problem Statement

This quiz will not only test your knowledge about Python3 lists, but it will also (a) teach you several additional list features, (b) give you practice reading Python documentation and (c) teach and test you on Python multidimensional lists and sets.

For some questions, you may have to refer to the off...