Welcome to the Treehouse Community

The Treehouse Community is a meeting place for developers, designers, and programmers of all backgrounds and skill levels to get support. Collaborate here on code errors or bugs that you need feedback on, or asking for an extra set of eyes on your latest project. Join thousands of Treehouse students and alumni in the community today. (Note: Only Treehouse students can comment or ask questions, but non-students are welcome to browse our conversations.)

Looking to learn something new?

Treehouse offers a seven day free trial for new students. Get access to thousands of hours of content and a supportive community. Start your free trial today.

Python Python Collections (2016, retired 2019) Lists Creating lists


where am I getting lost here??

my_list = [
    [1, 4],
    [3, 9 ],
my_list + ([[2, 8]])
print(my_list + ([[2, 8]]))

1 Answer

Steven Parker
Steven Parker
222,348 Points

When you first create the list, you put two other lists (each with 2 numbers) into it. But the instructions say you should "Put 3 numbers and 2 strings into it".

The "+" operator doesn't alter the original list.

And you don't need to "print" anything.