defaultdict的核心原理是它在初始化时接受一个工厂函数（factory function），这个函数用于生成默认值。当访问一个不存在的键时，defaultdict会调用这个工厂函数来生成默认值，并将其插入到字典中。这使得defaultdict在处理图算法、计数器等需要频繁检查键是否存在的场景时，比普通字典更加高效和简洁。

Integration of Python for data science, graph processing for NoSQL-like functionality, and it runs on Linux as well as Windows. At almost 30 years of age, Microsoft's flagship database has learned ...

In my last few articles, I looked at several different Python modules that are useful for doing computations. But, what tools are available to help you analyze the results from those computations?

AUSTIN, TX - Katana Graph, an AI-powered graph intelligence company, has announced the release of a high-performance graph analytics Python library in - Read more from Inside HPC & AI News.

NumWorks graphing calculator: Yes, calculators are still a thing, and this runs Python If you're a student in a STEM field, this calculator may prove very helpful.

Adafruit has this week announced the availability and arrival of the NumWorks Graphing Calculator which offers the first moddable calculator with a Python interpreter built in. “This truly ...

“The TI-84 Plus CE Python graphing calculator has everything you know and love about its predecessor, - the TI-84 Plus CE - but now comes pre-loaded with Python,” Balyta said.