Python中出现 SyntaxError: (unicode error) 'unicodeescape' codec can't decode bytes in position 12-13

Python中出现 SyntaxError: (unicode error) ‘unicodeescape’ codec can’t decode bytes in position 12-13: truncated \UXXXXXXXX escape

1 问题

SyntaxError: (unicode error) ‘unicodeescape’ codec can’t decode bytes in position 12-13: truncated \UXXXXXXXX escape

2 原因

文件路径导致的问题，window文件路径可以用\，但在字符串中\被当作转义字符来使用

3 解决方法

方式一:转义的方式
'C:\\a.txt'方式二:显式声明字符串不用转义
r'C:\a.txt'方式三:使用Linux的路径/
'C:/a.txt'

方式三，Linux和windows系统，都可以使用！！！

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