class Price:
    disc = 0.9
    qty = 1

    def after_discount(self, price):
        return price * self.disc * self.qty

0021099099f281fd9b87250383ef8cac7124c89e
<mask token>

class Price:
    <mask token>
    <mask token>
    <mask token>

class Price:
    <mask token>
    <mask token>

    def after_discount(self, price):
        return price * self.disc * self.qty

class Price:
    disc = 0.9
    qty = 1

    def after_discount(self, price):
        return price * self.disc * self.qty
