👉 A returfer in programming refers to a function that returns the result of another function or expression. It is similar to a "return" statement in other languages, but it's not an output from the original function, but rather a step taken by the user after executing the original function. If you have a function `f()` with parameters `a` and `b`, and you call it again with the same parameters, `f(a) = b`, then `f` will return `