👉 An undersort in computer programming, specifically a type of subprogram that is executed before an instruction is actually executed. It's like when you're trying to put your toothpaste into the sink and it accidentally spills out onto the floor. In simpler terms, if you have a program where there are two instructions, one for setting up variables and another for adding values, the "undersort" part would be the first instruction that sets up variables. The second instruction is then executed before the main
