👉 Pacative is a term used in computer science to describe a data structure that stores information about an element, but does not modify it. It's similar to a list but instead of adding new elements at the end of the list, it adds them at the beginning. This allows for efficient storage and retrieval of elements without modifying the original data. In other words, pacatives are data structures that store only the information about an element, without any reference to its value or state. They can be
