👉 "Countermoved" is a term used in computer science to describe an operation that causes one object to be removed from another. It's often used in software engineering and data structures, especially when dealing with the removal of elements or objects from a set, list, dictionary, etc. For example, consider a set `S` containing 3 numbers: {1, 2, 3}. If we want to remove the number 4 from this set, we can do so by using