python __init__()的使用注意

class Washer():

    def __init__(self) -> None:

        self.height=1000

        self.width=10

    def wash(self):

        print(f'宽度是：{self.width},高度是{self.height}')

haier1=Washer()

print(haier1.height)

print(haier1.width)

haier1.wash()