1、 Problem description
When you use open in Python to open a file for writing, you often find that the file to be written is not in the same level directory. In this way, you need to find and open the file according to the path of the file.
However, sometimes the absolute path and relative path will fail to open if they are written incorrectly.
1. Use absolute path
If it represents the windows file path, the use of diagonal bar / and backslash \ is the same; If you represent a network file path, you must use a diagonal bar /
But I don’t like using absolute paths very much. I recommend using relative paths.
2. Use relative path
Because it is in a non peer directory, it needs to be added before the file directory/
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