$5.$ Write a program using C program that asks user to enter two real numbers separately. Then if user enters character $$a$$ your program shall perform the addition. If user enters character $$s$$ your program shall perform the subtraction. Implement this program through switch statement.

Enter first real numbers$>3\mathrm{.}4$

Enter second real numbers$>5\mathrm{.}6$

Enter the character$>$a

$3\mathrm{.}4+5\mathrm{.}6=9$