Description: Implement a class that represents a phone number in std::string type. The class should inherit the given Abstract-
Phone class. You are not allowed to change the prototypes in AbstractPhone.h. The AbstractPhone class is an
abstract class since getPhoneNumber() is declared as a pure virtual function. You should implement both the one
argument constructor and two argument constructor. LocalPhone class is a derived class from AbstracPhone class.
It doesn’t have additional member variables except the ones in AbstracPhone. Implement the one argument constructor
and getPhoneNumber() function
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File list (Check if you may need any files):
assign4.pdf
Iterator.cpp
Iterator.h
main.cpp
Makefile
Node.cpp
Node.h
primary.input
primary.output
Vector.cpp
Vector.h