类的封装

class Tiji:
    print("计算房间体积")
    def __init__(self,item,x,y,z):
        self.item = item
        self.x = x
        self.y = y
        self.z = z
    @property
    def mianji(self):
        #print("%s 长：%s 宽：%s 总面积是：%s" % (self.item,self.x, self.y, self.x*self.y))
        return "%s 长：%s 宽：%s 总面积是：%s" % (self.item,self.x, self.y, self.x*self.y)
    @property
    def talltj(self):
        #print("%s 总体积是： %s" % (self.item, self.x*self.y*self.z))
        return "%s 总体积是： %s" % (self.item, self.x*self.y*self.z)
r1 = Tiji("书房",5,4,3)
r2 = Tiji("卧室",5.5,4,3)
# r1.mianji()
# r1.talltj()
# r2.mianji()
# print('%s 住的 %s 总面积是%s' % (self.owner,self.name, self.width * self.length))
# r1.mianji
# r2.talltj
print(r1.mianji)