For a step-by-step walkthrough of how to solve this specific puzzle, you can view this Lossless Compression Tutorial which covers Lesson 9 in the CS Principles curriculum.

: The original long string is rewritten using these symbols, significantly reducing the total character count (the "compressed" size). Key Concepts in the Lesson

Code.org Lesson 9.1 Lossless Compression | Tutorial with Answer

Christinewatson-2.0c.p.1-win-compressed.zip

For a step-by-step walkthrough of how to solve this specific puzzle, you can view this Lossless Compression Tutorial which covers Lesson 9 in the CS Principles curriculum.

: The original long string is rewritten using these symbols, significantly reducing the total character count (the "compressed" size). Key Concepts in the Lesson ChristineWatson-2.0c.p.1-Win-compressed.zip

Code.org Lesson 9.1 Lossless Compression | Tutorial with Answer For a step-by-step walkthrough of how to solve