让用户提交 Python 代码并在服务器上执行，是一些 OJ、量化网站重要的服务，很多 CTF 也有类似的题。为了不让恶意用户执行任意的 Python 代码，就需要确保 Python 运行在沙箱中。沙箱经常会禁用一些敏感的函数，例如 os，研究怎么逃逸、防护这类沙箱还是蛮有意思的 ...

Worried about creating operating system independent programs in Python? The os module is Python's direct line to your operating system. Think of it as the Swiss Army knife for everyday tasks related ...

Once you know how to add and use a Python module, you will greatly extend the capabilities of the language. A Python module is an external class or set of functions that exist outside the main file of ...