permission change of files in python

Question

I want to change the file permission for all the files from my current directory tree. I am trying to open each directory and open the files and change the permission using

Answer 1

You are using os.walk incorrectly.

for dirpath, dirnames, filenames in os.walk('.'):
    for filename in filenames:
        path = os.path.join(dirpath, filename)
        os.chmod(path, 0o777) # for example