Learn Python by doing

Learn Python by building things.

Write real code, run it instantly in your browser, and watch it come to life — draw with turtles, plot charts, and build little games. No installs, no setup, no waiting.

Open the Playground Try a practice exercise

Runs 100% in your browser — nothing to install, works offline.

Built for ages 8–40
120 hands-on exercises
Runs 100% in your browser
9 units · beginner → capstone
Turtles, charts & games
No installs · works offline

Everything in one place

A coding classroom that does the heavy lifting

Editor, feedback, motivation, and a real classroom loop — designed to make Python click.

In-browser editor

A real Monaco editor running Python through Pyodide. Press Run and it executes on the spot — no server, no setup.

Instant friendly errors

Scary tracebacks become plain-English hints that tell you what went wrong and how to fix it — so mistakes teach.

Gamified practice

Earn XP, level up, keep a daily streak, and collect badges. Progress you can feel keeps you coming back.

Turtles, charts & games

Draw with turtle graphics, plot real matplotlib charts, and build small games — visual output, celebrated.

Classroom assignments

Join a class with a code, get assignments, and your teacher sees live progress — the full Google-Classroom loop.

Adaptive hints

Hints unlock progressively and the platform tracks what you've mastered, so help arrives right when you're stuck.

The learning loop

Write → Run → Learn → Level up

A tight, addictive loop that turns every attempt into progress you can see.

01
Write
Type Python in a real editor with syntax highlighting and autocomplete.
02
Run in your browser
Hit Run — Pyodide executes your code instantly, right on the page.
03
Friendly feedback
Pass with a green check, or get a plain-English hint that points the way.
04
Earn XP & level up
Every win adds XP, grows your streak, and unlocks the next badge.

Built to keep you going

Stay motivated. Build streaks. Collect badges.

Learning sticks when it feels like a game. PyClassroom turns every solved exercise into XP, every day into a streak, and every milestone into a badge worth chasing.

XP earned: 1,240
Day streak: 4
Badges: 3/6

Code Cub240 / 300 XP

60 XP to level 6

day streak

First Run
Loop Master
Turtle Artist
7-Day Streak4 / 7

Practice

Bite-sized exercises that grade themselves

Each exercise has a clear goal, a difficulty tag, and instant checking. Solve it, watch the green check land, and bank the XP — then move to the next one.

Try a practice exercise

Playground

A real editor that runs Python on the spot

Open a blank file or a built-in example, write whatever you like, and press Run. Output, errors, turtle drawings, and charts all appear without leaving the page.

Open the Playground

No account needed

Start coding in 10 seconds

Open the Playground and run your first Python program right now — it's all in your browser, and it's free.