Back to Lessons
Beginner

First three letters: openSource

Print the first three characters of 'openSource' using slicing.

Part of CodeAscent Premium

Your first 10 lessons are free. Unlock every beginner, intermediate, and advanced lesson — and keep your streak going — with a subscription. Start with a 7-day free trial.

$4.99/month or $39.99/year after trial. Cancel anytime.