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What should python pay attention to when modifying a file?

2025-04-01 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Internet Technology >

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This article is to share with you about what you need to pay attention to when you modify the python file. The editor thinks it is very practical, so share it with you as a reference and follow the editor to have a look.

1 back up files before operation.

2 read the contents of the file into a list using readlines.

Write some keywords and their related lines to a dictionary.

4 additions, deletions and changes do not necessarily change the smallest unit, the smaller the more troublesome, you can directly ask to write a complete line, and then use split to list the input lines to compare the operation.

5 after the addition, deletion and modification operation is completed, the list to be written is updated, which can be updated at one level of the for loop.

6 finally, the new content list is written to the file.

Thank you for reading! This is the end of this article on "what do you need to pay attention to when python modifies the file?". I hope the above content can be of some help to you, so that you can learn more knowledge. if you think the article is good, you can share it out for more people to see!

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