Learn to code in the terminal.
Not on slides.
LearnLab is a hands-on platform for Python and the command line. Read short, practice real, get instant visual feedback — all from your browser.
learnlab ~ $ python lesson.py
→ Loading lesson 04 · Functions→ Task: implement fizzbuzz(n)
def fizzbuzz(n):
for i in range(1, n + 1):
if i % 15 == 0: print("FizzBuzz")
...✓ all tests passed (5/5)
→ xp +120 · streak 7d 🔥
learnlab ~ $
trusted by developers learning at
A loop built for deep practice.
Three steps that compound. Lessons stay short on purpose — so the time you spend coding is the part that sticks.
Read
Bite-size lessons — concepts in ~3 minutes. No fluff, no 90-minute videos. Just what you need to ship.
Practice
Solve real tasks in an interactive terminal — right inside your browser. No setup, no environment headaches.
Get feedback
Instant validation, hints when you're stuck, and explanations that actually teach. AI-assisted, never on autopilot.
Two stacks. One workflow.
Python for the language. Terminal for the workflow. Every lesson lives inside the same interactive shell.
Python
From print() to async/await. Three levels: Fundamentals, Intermediate, Advanced — 105 hands-on lessons.
def greet(name): return f"hi, {name}"
Terminal
ls, cd, grep, pipes, find, chmod. The skill that makes every other tool 10× faster, taught command by command.
grep -R "TODO" src/ | wc -l
Try the terminal right now.
No signup. Type below — solve real tasks across Python and bash.
learnlab interactive shell · v1.0.0
type "help" for commands
[task] task 1/3 — Print the exact greeting: Hello, learnlab
tip: type help for commands · try hint if you're stuck
Real shell, fake risk
Type commands, run code, fail safely. The same interface you'll use on the job — without the rm -rf anxiety.
Progressive tasks
Each prompt unlocks the next. Hints when you're stuck, never spoilers. Solutions you actually understand.
Python + shell, side by side
The same terminal teaches Python and bash — muscle memory builds across both worlds at once.
Everything you need to actually learn.
Built around how engineers really level up — short reads, hands-on tasks, fast feedback, repeatable practice.
Interactive lessons
Short, focused units with embedded code blocks you can run and edit instantly.
Real coding tasks
Not multiple-choice quizzes. Write functions, queries and scripts that get tested.
Progress tracking
Streaks, XP, mastery scores. See exactly what you know — and what's still fuzzy.
AI assistance
An AI mentor explains errors, suggests next steps, and reviews your code on demand.
Terminal practice
A real shell sandbox per lesson — pipes, redirects, git, package managers. All in-browser.
Battle-tested curriculum
Designed with engineers from production teams. Every track maps to real-world tasks.
Curated paths, not tutorial hell.
Each path is a sequenced curriculum — read, code, test, repeat — ending in a small project you can show off.
Python Fundamentals
Beginner · ~4h · 45 lessons
Variables, control flow, functions, data structures, files, error handling. Ship your first scripts.
- 01Hello, Python
- 02Strings & slicing deep
- 03Lists, tuples, sets, dicts
- 04Functions, scope & return
- 05Mini project — FizzBuzz
Python Intermediate
Mid · ~6h · 30 lessons
Classes, comprehensions, modules, file I/O, JSON, datetime. The patterns in every real codebase.
- 01List & dict comprehensions
- 02Classes, methods, inheritance
- 03Files, JSON, datetime
- 04Collections (Counter, deque)
- 05Mini project — word counter
Python Advanced
Senior · ~8h · 30 lessons
Decorators, generators, async/await, typing, magic methods. Idiomatic Python that gets PR-approved.
- 01Decorators & closures
- 02Generators & iterators
- 03Magic methods & ABCs
- 04Typing (generics, protocols)
- 05async/await + asyncio
Terminal Shell Fundamentals
All levels · ~3h · 25 lessons
ls, cd, grep, pipes, find, chmod, redirects. Practiced in a guided shell — type the command, see the output.
- 01Files, pipes, redirects
- 02grep & find
- 03Permissions & ownership
- 04Process basics
- 05Mini project — log triage
Terminal Shell Intermediate
Mid · ~5h · 30 lessons
find, sed, awk, tar, curl, ps. The power tools that turn the shell into a real workflow.
- 01find · xargs
- 02sed · awk
- 03tar · gzip
- 04curl
- 05ps · kill
Terminal Shell Advanced
Senior · ~6h · 30 lessons
Real shell scripting — variables, conditionals, loops, functions. The skill behind every deploy script.
- 01Variables & quoting
- 02if · for · while
- 03Functions · arrays
- 04Heredocs · exit codes
- 05Mini project — deploy.sh
Stop watching tutorials.
Start shipping code.
Free forever to start. No credit card. No setup. Just open a track and write your first line in under 60 seconds.