24.Write a menu-driven Python program to perform the following operations on a dictionary like Add Key-Value Pair Update Value Delete KeySearch Key Display Dictionary Display Keys Display Values Display Items Count Total Keys Clear Dictionary Exit

# Menu-driven program to perform operations on a dictionary

data = {}

while True:
    print("\n========== DICTIONARY MENU ==========")
    print("1. Add Key-Value Pair")
    print("2. Update Value")
    print("3. Delete Key")
    print("4. Search Key")
    print("5. Display Dictionary")
    print("6. Display Keys")
    print("7. Display Values")
    print("8. Display Items")
    print("9. Count Total Keys")
    print("10. Clear Dictionary")
    print("11. Exit")
    print("=====================================")

    choice = int(input("Enter your choice: "))

    if choice == 1:
        # Add Key-Value Pair
        key = input("Enter key: ")
        value = input("Enter value: ")
        data[key] = value
        print("Key-value pair added successfully.")

    elif choice == 2:
        # Update Value
        key = input("Enter key to update: ")

        if key in data:
            value = input("Enter new value: ")
            data[key] = value
            print("Value updated successfully.")
        else:
            print("Key not found.")

    elif choice == 3:
        # Delete Key
        key = input("Enter key to delete: ")

        if key in data:
            del data[key]
            print("Key deleted successfully.")
        else:
            print("Key not found.")

    elif choice == 4:
        # Search Key
        key = input("Enter key to search: ")

        if key in data:
            print("Key found.")
        else:
            print("Key not found.")

    elif choice == 5:
        # Display Dictionary
        print("Dictionary:", data)

    elif choice == 6:
        # Display Keys
        print("Keys:", data.keys())

    elif choice == 7:
        # Display Values
        print("Values:", data.values())

    elif choice == 8:
        # Display Items
        print("Items:", data.items())

    elif choice == 9:
        # Count Total Keys
        print("Total Number of Keys:", len(data))

    elif choice == 10:
        # Clear Dictionary
        data.clear()
        print("Dictionary cleared successfully.")

    elif choice == 11:
        # Exit
        print("Program terminated.")
        break

    else:
        print("Invalid choice. Please try again.")