OOP 3: Initializing
3.1.在Car 类中添加__init__() 函数，该函数接收brand 和model 参数，并将它们赋值给相应的对象属性。
3.2.您已经有了一个对象my_car ，它是在没有传递额外参数的情况下创建的。因此，为了避免在以这种方式创建对象时出错，让我们为__init__() 函数的参数添加一个默认值，它们的值为空字符串"" 。
3.3.Car some_car1...
CheckiO Extensions allow you to use local files to solve missions. More info in a blog post.
In order to install CheckiO client you'll need installed Python (version at least 3.8)
Install CheckiO Client first:
pip3 install checkio_client
Configure your tool
checkio --domain=py config --key=
Sync solutions into your local folder
checkio sync
(in beta testing) Launch local server so your browser can use it and sync solution between local file end extension on the fly. (doesn't work for safari)
checkio serv -d
Alternatevly, you can install Chrome extension or FF addon
checkio install-plugin
checkio install-plugin --ff
checkio install-plugin --chromium
Read more here about other functionality that the checkio client provides. Feel free to submit an issue in case of any difficulties.
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