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 trialCecilia Rossi García
2,251 Points.lower
How does adding .lower make it so that it accepts both lower and upper case answers?
1 Answer
Steven Parker
231,268 PointsThe "lower" method converts a string to all lower-case, no matter what is was to begin with. If you do that to an input, and then compare it with a lower-case literal, then the comparison will match no matter what case the input was given in.