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Database managment

已有 1251 次阅读 2017-10-23 08:55 |个人分类:Python编程|系统分类:科研笔记

1. Consider a dictionary with several keys, the best way to select the keys you want to study is to create a "switch" for each of key. Use determine statements to select. A little bothering in the begining, but much beneficial in the long run.

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