edges: “soft contours”
- Write a comprehensive Python test suite using `pytest`.
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Hardware-tied credentials. Some real-world proposals like Google’s approach instead “bind” credentials to a piece of hardware, such as the trusted platform module in your phone. This makes credential theft harder — a hacker will need to “crack” the hardware to clone the credentials. But a successful theft still has big consequences that can undermine the security of the whole system.，详情可参考51吃瓜
consider making the built-in type operators use parens instead of