project description:
this project is to show how the customer purcharsing and storage managing working in a small market, in the shopping list, it's including the item code, name, price and amount, the customer can add, change and delete item in the end of shopping, a list containing the total price and all details above will be printed out.
in the storage managing part, one can enter(r) to get in the repository system. after that, adding the item, changing or deleting are available, and the new item list will be printed out.
to finish the process, enter"p" following the instruction.
the code in total is around 150 lines.