python类继承理解

概述我想更好地了解如何使用 python类继承. 我在网上发现了以下问题. Include a Furnishing class. During instantiation, this class should ask for a room argument. Then, create the following classes that inherit from the Furnishing cla 我想更好地了解如何使用 python类继承.

我在网上发现了以下问题.

Include a Furnishing class. During instantiation,this class should ask for a room argument. Then,create the following classes that inherit from the Furnishing class: Sofa,Bookshelf,bed,and table.

Use the built-in List type to record the furniture in your own home that matches the classes above. So for example,you might have:

>>> from furnishings import * >>> home = [] >>> home.append(bed('bedroom'))>>> home.append(Sofa('living Room'))

Now,write a map_the_home() function to convert that to a built-in dict type where the rooms are the indivIDual keys and the associated value is the List of furniture for that room. If we ran that code against what we display in our command line,we might see:

>>> map_the_home(home){'bedroom': [<__main__.bed object at 0x39f3b0>],'living Room':[<__main__.sofa object at 0x39f3b0>]}

我正在努力：

class Furnishing(object):    def __init__(self,room):        self.room = roomclass Sofa(Furnishing):    "Not sure how to get this into a dict"???

我不知道如何调用map_to_home(home)并让它返回所需的字典？

解决方法 它会像以下一样简单：

def map_the_home(home):    result = dict([(a.room,a) for a in home])    return result

不是吗？

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