It's "Electronic shop" console app with User Account System
For major changes, please open an issue first to discuss what you would like to change.
When you start the program, you are greeted by the main menu.
Here you can select several options based on your desires.
By selecting the first option you can get information about the product by ID.
Choose the second option to get all information about the gadgets (ID, brand, model and quantity)
If you want to sell some gadgets you first need to create an account (choose the fourth option),
then choosing the third option you will be able to sell your gadgets.