# Python program to explain os.close() method 
    
# importing os module 
import os
  
# File Paths to be opened
path1 = "/home/ihritik/Desktop/file1.txt"
path2 = "/home/ihritik/Desktop/file2.txt"
path3 = "/home/ihritik/Desktop/file3.txt"
path4 = "/home/ihritik/Desktop/file4.txt"
  
  
# open the files and get
# the file descriptor associated
# with it using os.open() method
fd1 = os.open(path1, os.O_WRONLY | os.O_CREAT)
fd2 = os.open(path2, os.O_WRONLY | os.O_CREAT)
fd3 = os.open(path3, os.O_WRONLY | os.O_CREAT)
fd4 = os.open(path4, os.O_WRONLY | os.O_CREAT)
  
# Perform some operation
# Lets write a string
s = "GeeksForGeeks: A computer science portal for geeks"
  
# Convert string to bytes object
line = str.encode(s)
  
# Write above string to all file
os.write(fd1, line)
os.write(fd2, line)
os.write(fd3, line)
os.write(fd4, line)
  
# close all file descriptors
# using os.closerange() method
fd_low = min(fd1, fd2, fd3, fd4)
fd_high = max(fd1, fd2, fd3, fd4)
os.closerange(fd_low, fd_high + 1)
print("All file descriptor closed successfully")

All file descriptor closed successfully

for fd in range(fd_low, fd_high):
    try:
        os.close(fd)
    except OSError:
        pass