def place_order(): option_place_order = int( input( "You will have to input the index of the product you would like to order. If you need to see the list of products, " "select option 2.\n1. Prepare order\n2. Display all products\n3. Go back\n" )) if option_place_order == 1: index_product = int( input( "Introduce the index of the product you want to order(starting from 1):\n" )) try: products = Products.load_products() if 0 < index_product <= products.__len__(): product_to_order = products[index_product - 1] quantity = 0 loop = True while loop: quantity = int( input( "How many products of this kind you would like to order?\n" )) if quantity > 0: loop = False delivery_address = input( "Please write the address where this order should be delivered:\n" ) prepared_order = Order(product_to_order.__dict__, type(product_to_order).__name__, quantity, delivery_address) Orders.add_order(prepared_order) input( f"Your order has been placed successfully. Press enter key in order to continue\n" ) except JSONDecodeError: input( "Error on retrieving the products. Press enter key in order to continue\n" ) elif option_place_order == 2: display_products() place_order() elif option_place_order == 3: print("Going back...\n") else: error_handler() remove_product()