Difference between __file__ and sys.argv[0]

Question

Is there any difference between:

__file__

and

sys.argv[0]

Because both seem to be doing the same thing: they hold

Answer 1

Actually argv[0] might be a script name or a full path to the script + script name, depending on the os.

Here's the entry in official documentation http://docs.python.org/py3k/library/sys.html#sys.argv