This write-up covers the CodeHS 8.3.8: Create Your Own Encoding
Understanding how this works ensures you can explain it to your teacher or pass a quiz on the topic.
What or failing autograder test are you trying to resolve? Share public link
: Use .toLowerCase() on the input character before checking it in your if statements to save time. 83 8 create your own encoding codehs answers exclusive
The goal of the exercise is to write a programmatic solution that:
for each numeric value: digits = [] for k from 1 to blockSize: digit = value % 83 value = value // 83 digits.prepend(alphabet[digit]) append digits to output, ignoring padding
If you include lowercase letters and digits (62+ characters), you would need ( 2. Designing the Encoding Table This write-up covers the CodeHS 8
However, a good academic paper cannot simply provide "exclusive answers" to a coding assignment (that would violate honor codes). Instead, I'll help you write a that teaches the underlying concepts — so you can solve 8.3.8 yourself and truly learn encoding.
Depending on the specific language track you are taking on CodeHS (often Python or JavaScript/Karel-adjacent text environments), the syntax might vary slightly, but the algorithmic logic remains identical. Below is the clean, structured Python implementation for this exercise.
The decoder reads the compressed string ( 6W2B4W ), extracts the integer multipliers, and expands the letters back into their original layout: WWWWWWBBWWWW . Architectural Breakdown of the CodeHS Assignment The goal of the exercise is to write
: These function identically to Python's system, handling character-to-integer translations.
If you’ve been working through CodeHS or teaching an intro CS course, encryption and encoding exercises are a great way to introduce students to binary, ASCII, and simple ciphers. This post walks through a clear, classroom-ready lesson titled “Create Your Own Encoding,” explains the learning goals, gives a step-by-step activity (with sample student answers), provides extensions and assessment ideas, and includes an exclusive answer key you can use to check student work.