changes made by Bukola Famurewa

Car.py

@@ -12,3 +12,4 @@ def display_info(self):
     def honk(self):
         """Specific implementation for a car."""
         return "Honk honk!"
+

Vehicle.py

@@ -15,5 +15,23 @@ def honk(self):
     def fuel_up(self):
         return "Full tank"
 
+class Plane(Vehicle):
+    def __init__(self, brand, model, year, engine_type):
+        super().__init__(brand, model, year)
+        self._engine_type = engine_type
+
+    def display_info(self):
+        base_info = super().display_info()  
+        return f"{base_info} - {self._engine_type} engine"
+
+    def honk(self):
+        return "Whoooosh!"
+
+#Testing the code
+my_plane = Plane("Boeing", "747", 2019, "Jet")
+print(my_plane.display_info())  
+print(my_plane.honk())          
+
     def brake(self):
         print("Braking the car.")
+