added Hire method and inclued a postion for the employee

dotnet/MyOrganization/MyOrganization.cs

@@ -33,6 +33,8 @@ override protected Position CreateOrganization()
             vpt.AddDirectReport(dct);
             Position s = new Position("Salesperson");
             vps.AddDirectReport(s);
+            Position pm = new Position("Product Manager");
+            vps.AddDirectReport(pm);
 
             return ceo;
         }
@@ -46,6 +48,8 @@ static void Main()
             org.Hire(new Name("Bill", "Lumbergh"), "Director Customer Technology");
             org.Hire(new Name("Ford", "Prefect"), "VP Marketing");
             org.Hire(new Name("Jane", "Seller"), "VP Sales");
+            org.Hire(new Name("Naren", "Reddy"), "Product Manager");
+            org.Hire(new Name("Vijay", "Virup"), "President");
             org.Hire(new Name("Bean", "Counter"), "VP Finance");
             org.Hire(new Name("Victoria", "Sinclair"), "CIO");
             org.Hire(new Name("Head", "Geek"), "VP Technology");

dotnet/MyOrganization/Organization.cs

@@ -24,12 +24,60 @@ public Organization()
          * @param title
          * @return the newly filled position or empty if no position has that title
          */
-        public Position? Hire(Name person, string title)
-        {
-            //your code here
-            return null;
+        public Position? Hire(Name person, string title)
+        {
+            Position? targetPosition = FindPositionByTitle(root, title);
+
+            if (targetPosition != null)
+            {
+                if (targetPosition.IsFilled())
+                {
+                    Employee? previousEmployee = targetPosition.GetEmployee();
+                    Console.WriteLine($"Position '{title}' is already filled by {previousEmployee}. Cannot hire {person}.");
+                    return null;
+                }
+
+                Employee newEmployee = new Employee(GetNextEmployeeIdentifier(), person);
+                targetPosition.SetEmployee(newEmployee);
+
+                Console.WriteLine($"Hired {person} as '{title}'.");
+                return targetPosition;
+            }
+
+            Console.WriteLine($"No position found with the title '{title}'. Cannot hire {person}.");
+            return null;
+        }
+
+        private Position? FindPositionByTitle(Position currentPosition, string title)
+        {
+            if (currentPosition.GetTitle() == title)
+            {
+                return currentPosition;
+            }
+
+            foreach (Position directReport in currentPosition.GetDirectReports())
+            {
+                Position? targetPosition = FindPositionByTitle(directReport, title);
+                if (targetPosition != null)
+                {
+                    return targetPosition;
+                }
+            }
+
+            return null;
         }
 
+
+
+
+        private int nextEmployeeId = 1000; // Starting employee ID
+
+        private int GetNextEmployeeIdentifier()
+        {
+            int employeeId = nextEmployeeId;
+            nextEmployeeId++; // Increment the employee ID for the next employee
+            return employeeId;
+        }
         override public string ToString()
         {
             return PrintOrganization(root, "");