SyntaxError: (unicode error) 'unicodeescape' codec can't decode bytes in position 2-3 解决方案

# -*- coding:utf-8 -*-

f = open("C:\Users\Administrator\Desktop\SH#600000.txt")    # 这么写报错
line = f.readlines()
for lines in line:
    print(line)
f.close()

源代码如上,报错:SyntaxError: (unicode error) 'unicodeescape' codec can't decode bytes in position 2-3: truncated \UXXXXXXXX escape

一脸懵逼状……

解决方案有3种:

1、   f = open(r"C:\Users\Administrator\Desktop\SH#600000.txt")      # 这样写可以

2、   f = open("C:\\Users\\Administrator\\Desktop\\SH#600000.txt")  # 这样写可以

3、   f = open("C:/Users/Administrator/Desktop/SH#600000.txt")      # 这样写可以

不明所以

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