<u>Formal paramete</u>r variables doesn't have to be declaredinside the function definition body because they are declared when the function is called.
<h3>What is a formal parameter?</h3>
A formal parameter can be defined as a type of variable which a programmer specifies when he or she needs to determine the subroutine or function.
This ultimately implies that, <u>formal paramete</u>r variables doesn't have to be declaredinside the function definition body because they are declared when the function is called.