The best way to learn Python is by "writing and running." With InsightPy, you can do this on your smartphone, without an internet connection.
It has a built-in, real Python interpreter, so the code you write actually runs. You can see the actual behavior of Python, not just simulated output.
★ Real Python runs offline
Write code in a smartphone-friendly editor (syntax highlighting, line numbers, one-tap symbol bar, automatic indentation, undo) and run it immediately. No internet connection required.
★ 71 Practical Lessons
From the basics (variables, loops, functions) to algorithms, computer architecture, networks, modeling and simulation, data science, and security. Each lesson consists of "explanation of the concept + hands-on execution." Difficulty levels (beginner, basic, advanced) are included, allowing you to start from the easiest.
★ Automated Grading Challenge
Try to reproduce the target output yourself. The app executes the code and automatically checks for correctness. Instant feedback with zero waiting time.
★ A system that makes you want to keep going
Earn XP to level up, increase your consecutive learning days (streak), and collect badges. Daily challenges keep you engaged and motivated.
★ Manage your own code
Save unlimited scripts. Search, rename, copy, sort, and resume from where you left off. Auto-save ensures you never lose your work.
Supports Japanese and English. No ads, no account required, completely free.
Write and run real Python code on your smartphone. 71 practical lessons available for free, offline. Explanations of concepts and automatic grading keep you learning.