chore: Add course material

397/Ex61/PersonException.h

@@ -0,0 +1,16 @@
+#ifndef Person_Exception_h
+#define Person_Exception_h
+
+#include <exception>
+#include <string>
+
+class PersonException : public std::exception {
+  public:
+    PersonException(std::string m);
+    const char *what() const throw();
+
+  private:
+    std::string msg;
+};
+
+#endif