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python中字符串前面加r的作用

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Release: 2016-06-06 11:18:00
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本文实例讲述了python中字符串前面加r的作用。分享给大家供大家参考。具体分析如下:

字符串前面加r,表示的意思是禁止字符串转义

>>> print "asfdas\n"
asfdas
>>> print "asfdas\\n"
asfdas\n
>>> print "asfdas\n"
asfdas
>>> print r"asfdas\n"
asfdas\n
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希望本文所述对大家的Python程序设计有所帮助。

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