Change file to read-only mode in Python

Question

I am writing a data processing code, in which I create a new file, write processed data in to this file and close. But the file has to be closed in read-only mode, so that i

Answer 1

For Windows OS maybe to try something like this:

import os

filename = open("file_name.txt", "w")
filename.write("my text")
filename.close()
os.system("attrib +r file_name.txt")