Since we are using thesysmodule, we should import it first.
So the correct code should look like this:
#!/usr/bin/python3import sysprint( len(sys.argv))
2
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month, and much more.