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PYTHON--17 file

Source: Internet
Author: User
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Open File

Open mode Perform actions
' R ' Open a file as read-only (default)
' W ' Open the file as written to overwrite the existing file
' X ' If the file already exists, opening with this mode throws an exception
A Open in write mode, append write at the end if the file exists
' B ' Open a file in binary mode
' t ' Open in text mode (default)
+ Read-write mode (can be added to other modes for use)
U Universal Line break support

PYTHON--17 file

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