Learning Python's collection package is conducive to reuse and avoid repeating wheel building. It can also learn new things from the past. It includes many modules, including: Sogou Lexicon Download, New Word Discovery Algorithms,
Photos and PDF transform each other, Wechat Auto Chat Robot, Chinese Lunar Calendar and solar calendar conversion relationship, simplified and traditional characters conversion, tank games, fractal mode, mailbox, map, regular, decorator,
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Web page processing new words discovery Weixin regular decorator abnormal map calculation statistics Bayesian algorithm common tool class C module Baidu uses Japanese word translation, weather forecast, Chinese error correction, reflection and so on