Solution: Vehicle Management System

# Base Class
class Vehicle:
    def __init__(self, make, model):
        self.make = make
        self.model = model
    def display_info(self):
        print("Subclasses should implement this method")
# Derived Class Car
class Car(Vehicle):
    def __init__(self, make, model, num_doors):
        super().__init__(make, model)
        self.num_doors = num_doors
    def display_info(self):
        print(f"Car - Make: {self.make}, Model: {self.model}, Number of doors: {self.num_doors}")
# Derived Class Motorcycle
class Motorcycle(Vehicle):
    def __init__(self, make, model, type_of_handlebars):
        super().__init__(make, model)
        self.type_of_handlebars = type_of_handlebars
    def display_info(self):
        print(f"Motorcycle - Make: {self.make}, Model: {self.model}, Type of Handlebars: {self.type_of_handlebars}")
# Derived Class Truck
class Truck(Vehicle):
    def __init__(self, make, model, payload_capacity):
        super().__init__(make, model)
        self.payload_capacity = payload_capacity
    def display_info(self):
        print(f"Truck - Make: {self.make}, Model: {self.model}, Payload Capacity: {self.payload_capacity}kg")
# Main Program
def main():
    vehicles = [
        Car("Toyota", "Corolla", 4),
        Motorcycle("Yamaha", "MT-07", "Sport"),
        Truck("Ford", "F-150", 1000)
    ]
    for vehicle in vehicles:
        vehicle.display_info()
main()