Define a class named Product with attributes such as product ID$,$ name, price,and quantity available$\mathrm{.}2.$ Implement a class named ShoppingCart with methods to add products to thecart, remove products from the cart, view the cart contents, and calculate thetotal price$\mathrm{.}3.$ Ensure that the shopping cart system maintains the quantity of each productin stock and updates it accordingly when items are added or removed fromthe cart$\mathrm{.}4.$ Implement error handling for scenarios such as trying to add more items tothe cart than are available in stock$\mathrm{.}5.$ Test the shopping cart system by adding and removing items from multipleusers' carts simultaneously.$($In python$)$