How to express the absolute path of Python and the escape of the string

Source: Internet
Author: User

When we open the path to a file, we should always be aware of the way absolute paths are represented, such as when opening a TXT file

1,

With open (' D:\77\111.txt ') as F:

F.read ()

This will be an error, the path is escaped by backslash D:? I.txt

Solve:

1, we can use the '/' forward slash to represent the path as much as possible.

With open (' D:/77/111.txt ') as F:

F.read ()

2, declares that the string is not escaped

With open (R ' D:\77\111.txt ') as F:

F.read ()

3, use backslash to escape backslash

With open (' D:\\77\\111.txt ') as F:

F.read ()

Use the second method as much as possible to avoid many errors

How to express the absolute path of Python and the escape of the string

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