Python
Best for Beginners
Learn Python basics: variables, loops, functions, and OOP with runnable examples.
250+ Topics
Free Programming Tutorials & AI Code Practice
Learn Programming Logic with Free Tutorials & AI-Powered Practice
Start coding today with free programming tutorials in Python, JavaScript, C++, and more. Our step-by-step lessons, AI coding challenges with progressive hints, and Python visualizer help beginners understand programming logic—not just memorize syntax.
-
Beginner-Friendly Clear explanations for new coders
-
AI Code Practice Challenges with hints & feedback
-
Python Visualizer Watch code run step-by-step
Active Trace
Time Navigator sample
Line 18 - Loop iteration
n = 5
row = [16, 17, 18, 19, 6]
> print(" ".join(f"{value:2d}" for value in row))
Console: 16 17 18 19 6
Step-by-step timeline with auto-play
Variable diffs + console output
Plain-English explanations per line
Python Visualizer
See Python Code Execute Step-by-Step
Paste your Python code, run it, and watch each line execute. Track variable changes, see console output, and understand exactly how your code works—perfect for debugging and learning.
Ctrl + Space
/
Shift + Enter
Sample trace
import numpy as np
def generate_spiral_matrix(n):
matrix = np.zeros((n, n), dtype=int)
# ...
return matrix
n = 5
spiral_matrix = generate_spiral_matrix(n)
print(spiral_matrix)
- No installs, no config. Runs securely in the cloud.
- Scoped imports only; catches runtime errors with friendlier copy.
- Share traces via JSON snapshots or jump back to edit view.
Master 10 Programming Languages—100% Free
Choose your first language and start coding today. Each course includes clear lessons, runnable examples, and AI-powered practice challenges to build real programming skills.
Why Programming Logic Matters More Than Syntax
Concept-First Learning
Understand the "why" behind every line of code. We explain programming concepts, not just syntax rules—so you truly comprehend what your code does.
Build Problem-Solving Skills
Our progressive hint system helps you solve coding challenges yourself—developing the analytical thinking every programmer needs to debug and create.
Visual Code Execution
Watch your code execute step-by-step with our Logic practice. See how variables change, loops iterate, and functions work—making abstract concepts concrete.
Transfer to Any Language
Once you master programming logic, learning new syntax becomes easy. Python, JavaScript, or any language—the fundamentals remain the same.
Start Your Programming Journey Today
Choose from our beginner-friendly programming courses—each designed to build your coding skills from scratch
AI Coding Challenges with Progressive Hints
Stuck on a problem? Our AI gives you progressive hints—not answers—so you learn to solve coding challenges yourself. Get instant feedback on your code and build real problem-solving skills.
Skill-Based Tasks
Challenges matched to your current level
Progressive Hints
Get nudges, not answers
Instant Feedback
Know if your code works immediately
9 Languages
Python, JavaScript, C++, Java & more
Why Beginners Choose Logic-Practice
Always 100% Free
No subscriptions, no paywalls. Every tutorial, every AI challenge—completely free for everyone.
Learn on Any Device
Works on phone, tablet, or desktop. Practice coding anywhere—no installs needed.
Built for Beginners
Never coded before? Perfect. We start from zero and explain every concept clearly.
Run Code Instantly
Every example is runnable. Write code, click run, see results—learn by doing.
Frequently Asked Questions
Is Logic-Practice really free?
Yes, 100% free—forever. Access all 9 programming courses, 5,000+ topics, the Python step-by-step visualizer, and unlimited AI coding practice. No credit card, no subscription, no hidden fees.
Which programming languages can I learn?
Full tutorials: Python, JavaScript, HTML, CSS, C, Java, C#/.NET, C++, TypeScript. AI Practice supports 15+ languages including Go, Rust, Kotlin, Swift, PHP, Ruby—more tutorials coming soon!
How do AI hints work?
When stuck on a challenge, click "Get Hint." The AI analyses your code and gives you a progressive nudge—first a small clue, then more guidance if needed. You solve it yourself and actually learn the logic.
Ready to explore?