Programming Project 9.22.6: •••. Reimplement the CashRegister class so that it keeps track of the price of each added item in a vector. Remove the item_count and total_price data members. Reimplement the clear, add_item, get_total, and get_count member functions. Add a member function display_all that displays the prices of all items in the current sale.

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Programming Project 9.22.6: •••. Reimplement the CashRegister class so that it keeps track of the price of each added item in a vector<double>. Remove the item_count and total_price data members. Reimplement the clear, add_item, get_total, and get_count member functions. Add a member function display_all that displays the prices of all items in the current sale.

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Techno42 2025-02-09T07:24:37+05:00 1 Answer 15 views Beginner
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  1. Mechanical Engineering Expert
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    2025-02-09T15:22:56+05:00
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    /* # A simulated cash register that tracks the list of items prices 
class CashRegister :
    # Constructs a cash register with list of item prices
    def __init__(self) :
        self._prices = []
    
    # Adds an item to this cash register.
    def addItem(self, price) :
        self._prices.append(price)

    # Gets the price of all items in the current sale.
    def getTotal(self) :
        total = 0
        for price in self._prices:
            total = total + price
        return total 

    # Gets the number of items in the current sale.
    def getCount(self) :
        return len(self._prices)

    # Clears the list of item prices
    def clear(self) :
        self._prices = []

    # displays all item prices
    def displayAll(self):
        for price in self._prices:
            print(price)

# testing

register1 = CashRegister()
register1.addItem(3.95)
register1.addItem(19.95)
print(register1.getCount()) # prints 2
print("%.2f" % register1.getTotal()) # prints 23.90 */

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