Google Colab is a free online tool from Google that lets you write and run Python code directly in your browser.

1、 启动Python开发工具IDLE，创建名为pkg.py和init.py的两个文件，并将它们保存在同一个名为mypkg的文件夹中。 4、 运行diaopkg.py程序后，成功调用了mypkg文件夹中pkg模块的test方法。由于该文件夹内包含__init__.py文件，因此被视为一个有效的Python包，实现了模块的正确导入与执行。

President Trump announced new tariffs on pharmaceuticals, heavy trucks, and furniture, including a 100% duty on patented drugs, with some exemptions. Thursday's move is one of Trump's new ...

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