You can test this code for yourself by putting the code in listing 2 in a file called barebones . pm in any directory , and running the following from that directory meaning , " include the current directory in the library path , use the barebones module , and create a new barebones object " 可以通过将清单2中的代码放入任何目录内名为barebones . pm的文件中，然后在该目录中运行以下命令来测试该代码（这表示： “在库路径中包括当前目录，使用barebones模块，然后创建一个新的barebones对象” ） ：
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