class Sugar(Product):
oSo=None
def __init__(self, price=5, tax_rate=10):
super(Sugar, self).__init__(price)
self._tax_rate = tax_rate
#========================================
def _get_price(self):
return self._price*(1+self._tax_rate/100.0)
def _set_price(self, price):
self._price = price/(1+self._tax_rate/100.0)
#cls