Python open () function

Opening the file will use the Open function, the standard Python opening file syntax is as follows:
Open (Name[,mode[,buffering]])

Where the file name is required, the mode and buffer functions are optional. For example, there is a a.txt text file, stored in the C:\text, then you want to open it can be done:
>>>x = open (R ' C:\text\a.txt ')
Use the read mode to open the corresponding text file under this path, if you want to open the image does not exist, the program will error.

In this example, the ' r ' parameter is used to represent the ' read ' operation method

Plus ' W ' write mode, ' a ' append mode, ' B ' binary mode, ' + ' read/write mode

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Python open () function