Python3 file.fileno()方法

語法

fileObject.fileno() 

引數

• NA

返回值

範例

#!/usr/bin/python3

# Open a file
fo = open("foo.txt", "wb")
print ("Name of the file: ", fo.name)

fid = fo.fileno()
print ("File Descriptor: ", fid)

# Close opend file
fo.close()

Name of the file:  foo.txt
File Descriptor:  3