Easy Unpack
(array) (tuple) 你的任务是创建一个函数，获得一个数组(array) ，并返回一个数组(array) ，只有3个元素--第一个、第三个和第二个元素，给定的数组 。
值得指出的一件事是，你需要使用索引，以便从数组(array) 中提取元素。注意，索引计数从0开始，而不是从1开始。这意味着，如果你需要从数组(array) elements 中获取第一个元素，你应该做elements[0] ，而第二个元素是elements[1] 。
输入： 一个数组(array) ，至少有 3 个元素。
输出： 一个数组(array)...
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=js 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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