chore: Add course material

397/SolutionEx61Part2/YoungPerson.cpp

@@ -0,0 +1,12 @@
+#include "YoungPerson.h"
+
+#include <iostream>
+
+YoungPerson::YoungPerson(std::string name, int age) : Person(name, age) { std::cout << "YoungPerson ctor\n"; }
+
+YoungPerson::~YoungPerson() {
+    //	Implemented purely to show that
+    //	the derived-class destructor was
+    //	being called where appropriate
+    std::cout << "YoungPerson dtor\n";
+}