👉 Perfunctionary is a type of function or procedure that operates on an input variable and returns a value. It is used to perform specific tasks, such as calculating a mathematical expression, performing a calculation, or creating a list of items based on certain criteria. In programming, the term "perfunctionary" refers to a function that performs a specific operation on its input variable and returns a result. For example, in an array data structure, a perfunctionary function could be used to sort an
