python Chapter 7 - Detailed explanation of file operations

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Python tutorial directory https://blog.csdn.net/weixin_50964512/article/details/130300085

Preface

Not just in Python, but in any language, file operations are very important because it allows large amounts of data to be stored locally for a long time.

This chapter is mainly about learning and sorting out common file operations in Python.

1. Basic file operations

For a file, there are three main steps:

1. open a file
2. Operation files
3. close file