1 class HouseItem(): 2 """家具""" 3 def __init__(self,name,area): 4 self.name = name 5 self.area = area 6 7 def __str__(self): 8 return ("%s的占地面积：%.2f" % (self.name, self.area)) 9 10 class House(): 11 """新房""" 12 13 def __init__(self,house_type,area): 14 # 户型 15 self.house_type = house_type 16 # 总面积 17 self.area = area 18 # 剩余面积 19 self.free_area = self.area 20 # 家具名称列表 21 self.item_list = [] 22 23 def __str__(self): 24 return ("户型：%s\n总面积：%.2f[剩余面积：%.2f]\n家具：%s" 25 % (self.house_type,self.area,self.free_area,self.item_list)) 26 27 28 def add_item(self,item): 29 if item.area > self.free_area: 30 print("%s的面积太大了 家里放不下了" % item.name) 31 return 32 self.free_area -= item.area 33 34 self.item_list.append(item.name) 35 # print("添加了：%s,占地面积：%.2f,剩余面积：%.2f" % (item.name,item.area,self.free_area)) 36 37 38 bed = HouseItem("大床",40) 39 table = HouseItem("餐桌",25) 40 house = House("两室一厅",60) 41 print(bed) 42 house.add_item(bed) 43 house.add_item(table) 44 print(house)
大床的占地面积：40.00 餐桌的面积太大了 家里放不下了 户型：两室一厅 总面积：60.00[剩余面积：20.00] 家具：['大床']
