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.

William Matheny
Python Development Techdegree Graduate 31,721 PointsI'm stuck again, but on a different quiz
I am stuck on the fill in the blank question.
1 Answer

Steven Parker
215,954 PointsThat question is answered using the inversed index operator. You'll find it discussed on the instruction page about Selecting Data (in about the middle of the page).