Code.org Lesson 3.8B Lists Practice | New Features | Tutorial with Answers

Uploaded March 2026 | Updated September 2026, 3 weeks ago

Lists Practice is Lesson 3 of Unit 6, Lists, Loops, and Traversals, in the Code.org Computer Science Principles course, now known as CodeAI. This course is commonly used in AP Computer Science Principles classrooms. In this tutorial, I walk through the activity step by step, explain the computer science concepts involved, and show how to arrive at the correct solution.

Lesson playlist: youtube.com/playlist?list=PLbsvRhEyGkKdZ5rVURA_tp1osB-bZsWsF
Unit 6 playlist: youtube.com/playlist?list=PLbsvRhEyGkKdgJMsglJeEYIynDpthpOZB

Code.org Lesson 3.8B Lists Practice | New Features | Tutorial with Answers | Unit 6 C.S.P.

Code.org Lesson 3.7D Drawing in Game Lab | Answer Tutorial | CS Discoveries 3b + AI Discoveries 4b

Code.org Lesson 3.5B Lists Practice | Tutorial with Answers | Unit 6 C.S. Principles

Code.org Lesson 3.2C Lists Practice | Tutorial with Answers | Unit 6 C.S. Principles 2023

Code.org Lesson 3.5B Lists Practice | New Features | Tutorial with Answers | Unit 6 C.S.P.

Code.org Lesson 3.4B Lists Practice | Tutorial with Answers | Unit 6 C.S. Principles

Code.org Lesson 3.2C Overloading Methods | Tutorial with Answers | Unit 7 CSA

Code.org Lesson 3.9D Drawing in Game Lab | Answer Tutorial | CS Discoveries 3b + AI Discoveries 4b

Code.org Lesson 9.7A Writing Methods | Tutorial with Answers | Unit 1 CSA

Code.org Lesson 9.4 Writing Methods | Tutorial with Answers | Unit 1 CSA

Code.org Lesson 7.3B Conditionals Practice | Answer Tutorial | Unit 3 CS Principles 2023 2022

Code.org Lesson 8.1 Sprites | Answer Tutorial | CS Discoveries 3b + AI Discoveries 4b