حساب خاصية عند قراءتها بإستخدام property

class Order:
    def __init__(self, price, quantity):
        self.price = price
        self.quantity = quantity

    @property
    def total(self):
        return self.price * self.quantity

order = Order(10, 3)
print(order.total)
order.quantity = 5
print(order.total)

30
50

class Circle:
    @property
    def shape(self):
        return "Circle"

circle = Circle()
try:
    circle.shape = "Square"
except AttributeError:
    print("Read Only")

Read Only