#Purpose# This code is written to suppliment a [reference document] (https://docs.google.com/document/d/1JCanYXU7HVN-p1LrljNx3-3knSkIFNASNSaIsbHDfe8/edit?usp=sharing) about inheritance and polymorphism in C++.
#Purpose# This code is written to suppliment a [reference document] (https://docs.google.com/document/d/1JCanYXU7HVN-p1LrljNx3-3knSkIFNASNSaIsbHDfe8/edit?usp=sharing) about inheritance and polymorphism in C++.