class FurnitureFeature(object):
    def __init__(self, furniture_name, furniture_area):
        self.furniture_name = furniture_name
        self.furniture_area = furniture_area
        print('家具名：%s\n占地面积：%.1f平方米' % (self.furniture_name, self.furniture_area))


class House(object):
    def __init__(self, house_type, house_area):
        self.house_type = house_type
        self.house_area = house_area
        self.house_furniture = []
        self.house_area_left  = house_area

    def __str__(self):
        return '户型：%s，总面积：%s平方米\n家具列表：%s\n剩余面积：%.1f平方米' % (
            self.house_type, self.house_area, str(self.house_furniture).replace('[', '').replace(']', ''), self.house_area_left)

    def add_furniture(self, FurnitureFeature):
        if self.house_area_left > FurnitureFeature.furniture_area:
            self.house_furniture.append(FurnitureFeature.furniture_name)
            self.house_area_left = self.house_area_left - FurnitureFeature.furniture_area
            return True
        else:
            return False


ALL = House('新房', 3)
bed = FurnitureFeature('床', 1.5)
table = FurnitureFeature('课桌', 1)
chest = FurnitureFeature('餐桌', 2)
for n in bed, table, chest:
    if ALL.add_furniture(n):
        print('%s添加成功！' % n.furniture_name)
    else:
        print('%s添加失败！空间不足！' % n.furniture_name)
print(ALL)