Welcome to the Treehouse Community

Want to collaborate on code errors? Have bugs you need feedback on? Looking for an extra set of eyes on your latest project? Get support with fellow developers, designers, and programmers of all backgrounds and skill levels here with the Treehouse Community! While you're at it, check out some resources Treehouse students have shared here.

Looking to learn something new?

Treehouse offers a seven day free trial for new students. Get access to thousands of hours of content and join thousands of Treehouse students and alumni in the community today.

Start your free trial

Python Python Collections (Retired) Lists Redux List creation/extension methods

The "adding 1 to last index question" says my answer is incorrect!

i filled with my_list.extend(1) but it says its wrong!! what is correct answer then?!?!

2 Answers


Jeez! i almost forgot about that one haha! Thanks! But doesn't extend do the same as append?!

I'm not sure exactly what the difference is, I always use append(); but the impression I got was that it worked pretty much the same way.