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

David Willson
David Willson
632 Points

for Task 4 of Greeting List my code below is rejected. greeting = greeting_list[0:3] greeting = greeting_list.join()

For Task #4 of Greeting List my additional code below is rejected. can someone please explain why?

greeting = greeting_list[0:3]
greeting = greeting_list.join()

[edit formatting --cf]

1 Answer

Chris Freeman
MOD
Chris Freeman
Treehouse Moderator 67,989 Points

To join a list of items into a single string using join(), the format is:

greeting = ' '.join(greeting_list)

join() is a string method that uses the string (a space " " in this case) as a separator between each item in the provide list (the greeting list items).

David Willson
David Willson
632 Points

Thanks so much for the admirably succinct and lucid clarification, Chris! That worked ...