How does python3 open a file
Today, the editor will share with you the relevant knowledge about how python3 opens the file. The content is detailed and the logic is clear. I believe most people still know too much about this, so share this article for your reference. I hope you can get something after reading this article. Let's take a look at it.
Python3 method to open the file: in python3 you can use the open () function to open the file, open () function syntax is: "open (file path, mode=' open mode')"; in the file processing process need to use this function, if the file can not be opened, will throw an OSError exception.
Analysis of specific examples:
F = open ('/ Users/test.txt', 'r')
Example analysis:
R means to read the file, and we successfully opened a file.
But if the file does not exist, the open () function throws an IOError error and gives you the error code and details to tell you that the file does not exist. The error situation is as follows:
F=open ('/ Users/notfound.txt', 'r') Traceback (most recent call last): File "
Related functions:
Read () # read the file
Close () # close the file
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