AutolabJS/AutolabJS

class Buyer:
    def __init__(self, cash=0):
        self.cash = cash

    def getCash(self):
        return self.cash

    def setCash(self,cash=0):
        self.cash = cash

    def buy(self, seller):
        if self.cash > 0:
            if seller.sell() == 1:
                self.cash -=1