Write a Comment, Get the Code

End-of-lesson check

15 questions · take it digitally for instant feedback at tendril.neural-forge.io/learn/quiz/end-explorers-ai-coding-AI-and-the-comment-trick

1. What is a code comment?

   1. A message you leave for AI to read
   2. A line of text inside code that the computer ignores — it's a note for humans
   3. A way to rate your code from 1 to 5 stars
   4. A bug that shows up when you type too fast

2. In Python, comments start with which symbol?

   1. // (two forward slashes)
   2. /* (slash star)
   3. # (the pound/hash sign)
   4. @ (the at sign)

3. In JavaScript, comments start with which symbol?

   1. ## (two hash signs)
   2. // (two forward slashes)
   3. ** (two asterisks)
   4. >> (two greater-than signs)

4. You type '# make the ball bounce' in a Python file. What does AI often do next?

   1. AI ignores comments and only responds to typed code
   2. AI suggests the actual code to make the ball bounce, right below your comment
   3. AI changes your comment to match existing code
   4. AI asks you to delete the comment

5. What is the 'comment-first, code-second' method?

   1. Writing code first, then adding comments after
   2. Planning your whole program as comments (step 1, step 2...) then asking AI to fill in the code for each one
   3. Reading AI's comments before writing your code
   4. Adding comments only when you're confused

6. Which shows the 'comment becomes code' trick in action?

   1. # print hello three times → AI writes a loop that prints 'hello' three times
   2. print('hello') → AI converts this to a comment
   3. # AI fix this → AI automatically fixes all bugs
   4. // score++ → AI adds 10 to the score instead of 1

7. What is GitHub Copilot?

   1. A flying robot that helps coders move between offices
   2. An AI coding assistant that reads your comments and suggests code as you type
   3. A version of GitHub that works on planes
   4. A backup system for code repositories

8. You want to write a program with 5 features. Using the comment-first method, what do you write FIRST?

   1. The most complex feature's code
   2. 5 comment lines describing each feature in plain English
   3. A list of all programming languages you could use
   4. The file name

9. A code comment says: '# This function checks if the player won.' The code below it is complex. What job does the comment do?

   1. It runs the function when the file opens
   2. It tells any reader — including future-you — what this complex code is supposed to do
   3. It makes the function run faster
   4. It prevents bugs from entering the function

10. Which comment is BETTER as code documentation?

    1. # adds 1
    2. # Add 1 to the player score when they collect a coin
    3. # ??? not sure
    4. # AI wrote this

11. What happens to a code comment when the computer runs the program?

    1. The computer reads comments aloud
    2. The computer completely ignores comments — they only exist for humans
    3. Comments slow down the program
    4. Comments are displayed as messages on screen

12. You write 3 comment lines describing a tiny game. You ask AI: 'Write code for each of these comments and keep the comments in the final code.' What do you get?

    1. A file with only the comments and no code
    2. Working, commented code where each section is clearly labeled — great for learning!
    3. AI removes the comments because they slow things down
    4. Three separate files, one for each comment

13. Professional programmers use the comment-first method. Why?

    1. It's required by law for professional code
    2. Planning in comments keeps the code organized and ensures you understand the plan before building
    3. Comments are required for code to work
    4. Professionals only use comments, never actual code

14. What makes comments a 'superpower' for future-you?

    1. Comments automatically update when the code changes
    2. When you return to old code weeks later, comments remind you why you wrote each part
    3. Comments let you skip reading the code
    4. Comments make code run faster when you need it

15. Which is the BEST use of the 'comment trick' with AI?

    1. Write no comments and let AI figure out what you want
    2. Write detailed comments describing what each part of your program should do, then ask AI to fill in the code
    3. Write comments AFTER AI writes the code so it looks professional
    4. Use comments to tell AI it did a good job