''' Design a class named Stock to represent a company's stock.
    It contains:
    symbol
    name
    previousClosingPrice
    currentPrice

    '''

class Stock:
    def __init__(self, a, b, c, d):
        self.symbol = a
        self.name = b
        self.previousClosingPrice = c
        self.currentPrice = d

    def getStockName(self):
        return self.name

    def getStockSymbol(self):
        return self.symbol

    def seteazaStocAnterior(self, stockAnterior):
        self.previousClosingPrice = stockAnterior

    def veziStocAnterior(self):
        return self.previousClosingPrice

    def seteazaPretCurent(self, pretCurent):
        self.currentPrice = pretCurent

    def veziPretCurent(self):
        return self.currentPrice

    def getChangeProcent(self):
        return self.previousClosingPrice / self.currentPrice * 100


IntelCorporation = Stock("INTC", "Intel Corporation", 20.5, 20.35)

print(IntelCorporation.getChangeProcent())