从文本文件中删除行? [英] Remove lines from a textfile?

问题描述

我有一个像这样的 textfile.txt:

I have a textfile.txt like this:

First Line
Second Line
Third Line
Fourth Line
Fifth Line
Sixth Line

如何去掉前三行和最后一行最舒服?

How can I remove the first three lines and the last line most comfortable?

推荐答案

with open('textfile.txt') as old, open('newfile.txt', 'w') as new:
    lines = old.readlines()
    new.writelines(lines[3:-1])

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