Write a Shopping Cart class to implement a shopping cart that you often find on websites where you could purchase some goods. Think about what things could you store in a cart and also what operations you could perform on the cart. To simplify matters, you could consider the website to be an electronics e-store that has goods like flat-panel TVs, boomboxes, iPods, camcorders, and so on. (Python code)

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Concept of Pointer Parameter

Pointers are the special variable that stores the variable address, instead of storing the variable value. Pointer is a powerful feature of a programming language. A pointer is mostly used to save memory space and improve execution time.