Python Files Error: SyntaxError: (unicode error) ‘unicodeescape’ codec can’t decode bytes in position 2-3: tr

Syntaxerror was just reported when running the python file: ‘Unicode error)’ Unicode scape ‘codec can’t decode bytes in position 2-3: tr. in fact, the reason for this error is the escape problem.

sys.path.append('c:\Users\mshacxiang\VScode_project\web_ddt')

Cause analysis: in the windows system, the file path can be read by \, but in the Python string \, there is an escape meaning,

For example, \ t can represent tab and \ n represents line feed, so we need to take some measures to make \ not be interpreted as escape characters. There are currently 3 solutions

1. Add r before the path to keep the original value of the character.

sys.path.append(r'c:\Users\mshacxiang\VScode_project\web_ddt')

2. Replace with double backslash

sys.path.append('c:\\Users\\mshacxiang\\VScode_project\\web_ddt')

3. Replace with forward slash

sys.path.append('c:/Users/mshacxiang/VScode_project/web_ddt')

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