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

I guess you could use os module after writing on your file to change the file permissions like this:

import os
filename=open("file_name","w")
filename.write("my text")
filename.close()
os.system("chmod 444 file_name")