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
Ruby help: Creating an error code for user input used twice
How can I create a code that collects user input and then shows an error when the same input is used twice? I'm creating a guessing game and want it to read error when the user types in an answer they have already used. Thanks in advance!