Create Assignment2.cpp

FEATURES:
	Program is written by me based on my prior knowledge of C.
	Program uses Single Link List and stack to process data dynamically.
	Program divides its task in number of steps.
	Each of Methods invoked in main() accomplishes single task.
	Methods are re-usable and don’t limit themselves for this particular program on functional basis.
	Comments have been added to facilitate human reader to understand each and every part.
	Its “main” is sophisticatedly written as it is not more than 10 code lines.
	Program do check whether entered equation is valid w.r.t. brackets or not
	In case of non-valid w.r.t. brackets equation, program warns user for uncertainty in answer
	Output of the program has been authenticated as correct while giving text book 
Example (a+b*c(d*e+f)*g) as input equation.
	Program has been successfully compiled and executed on MS Visual C++ 2006.