Q$4[3$pts$]$ Semaphores could be used for handling the request and release of resources. Assume that

there is one resource, $R,$ and there are $10$ instances of $R.$ Show how a process can request $3$ instances

of that resource and then reselease $2$ instances. Please indicate the initial value of the semaphore.

Semaphore S;

$//$here write the code for requesting $3$ instances of resource $R$

$//$ Here write the code for releasing $2$ instances of $R$