class Rectangle:
length = 5
width = 4
def setRect(self):
print("请输入矩形的长和宽...")
self.length = float(input('长:'))
self.width = float(input('宽:'))
def getRect(self):
print('这个矩形的长是:%.2f,宽是:%.2f' % (self.length, self.width))
def getArea(self):
return self.length * self.width铁子们,那个self.length*self.width为啥调用的是set实例对象的而不是类的属性呢