The divide and average method, an old$-$time method for approximating the square root of any positivenumber a$,$ can be formulated as$($a$)$ Write well$-$structured pseudocode to implement this algorithm as depicted in Fig. P$2\mathrm{.}7.$ Use proper indentationso that the structure is clear.$($b$)$ Develop, debug, and document a program to implement this equation in either a high$-$level language or a macrolanguage of your choice. Structure your code according to Fig. P$2\mathrm{.}7.$