👉 In the context of computer programming, "backspier" refers to a function or subroutine that is used to reverse the execution path of a program. The purpose of this function is often to undo some operation or modify some data in a program after it has been executed. For example, consider a simple algorithm where you want to find the maximum value in an array: ``` int main() { int arr[] = {1, 2, 3, 4, 5};