Question 1

Is the Train/Test Split: Don't Fool Yourself lesson free?

Accepted Answer

The interactive Train/Test Split: Don't Fool Yourself lesson is part of Pro (₹299/month). The first 5 lessons of the track are free — no account or card needed.

Question 2

How long does the Train/Test Split: Don't Fool Yourself lesson take?

Accepted Answer

About 12 minutes end-to-end. It's a hands-on lesson — you read a paragraph, edit the code, and run it in the same tab.

Question 3

Do I need to install Python to try the Train/Test Split: Don't Fool Yourself lesson?

Accepted Answer

No install required. PyRun runs real CPython in your browser via Pyodide (Python compiled to WebAssembly). Works on Chrome, Firefox, Safari, and Edge — desktop or mobile.

Question 4

What level is the Train/Test Split: Don't Fool Yourself lesson?

Accepted Answer

Advanced level. Assumes comfort with classes, functions, and standard library. Not for first-time Python learners.

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