python 随笔记

python代码默认规则，开发时，建议一行代码不要超过80个字符，如果超过，可按以下形式编写

with open("testfilename","r",encoding='utf-8') as f ,\
            open("otherfile","r",encoding='utf-8') as f2:
        for line in f:
            #. . .

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