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Python File fileno() Method
Python File fileno() Method
Python File fileno() Method is used to return the file descriptor of the stream as a number. If the operator system does not use a file descriptor then an error will occur.
Syntax:file.fileno()Here is an example of Python fileno() method:
f = open("demofile.txt", "r")
print(f.fileno())
Output:
3
3
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