python——面向对象(3)，搬家具

"""
date:   2020.2.9
搬家具：将小于房子剩余面积的家具搬进房子
1.定义家具类，房屋类
"""


class Furniture():
 def __init__(self, name, area):
 self.name = name
 self.area = area


class House():
 def __init__(self, address, area):
 self.address = address
 self.area = area
 self.free_area = area
 self.furniture = []

 def __str__(self):
 return f'房子地理位置在{self.address},' \
 f'房屋面积是{self.area},' \
 f'房屋剩余面积是{self.free_area},' \
 f'房屋内家具列表是{self.furniture}'

 def add_furniture(self, item):
 """容纳家具"""
 if self.free_area >= item.area:
 self.furniture.append(item.name)
 self.free_area -= item.area
 else:
 print('房子面积不足！')


def main():
 bed = Furniture('架子床', 4)
 sofa = Furniture('沙发', 100)
 h1 = House('上海', 100)
 print(h1)
 h1.add_furniture(bed)
 print(h1)
 h1.add_furniture(sofa)
 print(h1)


if __name__ == '__main__':
 main()