⚠️ Separate from Practice Pro — does not include coding questions
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Cancel anytime, no questions asked
You can cancel your subscription at any time from your account settings. You will keep full Pro access until the last day of your current billing period — no partial refunds, no surprise charges.
Frequently asked questions
Is the code execution real PySpark?+
Yes — 100% real PySpark 3.5 running on a live server. No simulation, no shortcuts. Your code runs in an isolated environment and the actual output is returned to you.
Do I need to install anything?+
Nothing at all. Everything runs in your browser. No Spark installation, no Python setup, no Docker required.
Can I cancel anytime?+
Yes. Cancel any time from your account settings. You keep full Pro access until the last day of your billing period — no mid-month cutoffs, no data loss.
How many questions are there?+
Free tier includes 10 questions. Pro unlocks 100+ questions across PySpark, Python and SQL tracks, with new questions added every week.
What companies are the questions from?+
Questions are tagged by company including Amazon, Meta, Google, Databricks, Snowflake and more — sourced from real interview reports.