Off-by-one index error in __main__.py doc

[vanyolos]

Very minor issue, the '2' here should be '3' on the RHS of the comparison (given we really want to return sys.argv[2] from the ternary).

https://docs.python.org/3.10/library/__main__.html

Linked PRs

• gh-112165: Fix typo in __main__.py #112183
• [3.12] gh-112165: Fix typo in __main__.py (GH-112183) #112184
• [3.11] gh-112165: Fix typo in __main__.py (GH-112183) #112185

[hugovk]

If you run the example as:

python3 -m bandclass my-name

Then sys.argv contains ['/private/tmp/bandclass/__main__.py', 'my-name']

So do we want this?

student_name = sys.argv[1] if len(sys.argv) >= 2 else ''

[vanyolos]

Yes, that should be the fix indeed. Can you pls make the fix/PR?
(I checked, other python version docs are also affected, like 3.11, etc.)

I have no idea how to do it, new to github and this was first time ever reading official python docs. But you gotta start somewhere

[terryjreedy]

I'm making the PR, but if you want to learn to do it, start with https://devguide.python.org/.