Python编程技巧：如何用Map, Filter, Reduce代替For循环？ 本文作者： skura 2019-12-24 10:44 导语：for循环很重要，但太多的for循环可能并不是好事 ...

Positron is Posit's new, free IDE for data science. Users can work with Python and R. It explicitly does not replace RStudio.

This effectively allows a fast check of whether an element might be in the filter. CPython doesn’t stop optimizing there: instead of a complicated hash function, it simply uses the lowest 6 bits.