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PyCodeIt

Free interactive learning platform for Python code tracing, SQL queries, and technical interviews. Built for bootcamp grads, computer science students, and engineers.

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  • SQL JOINs Guide
  • Window Functions Guide

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FAANG & Tech Interview Prep Track

Python Interview Simulator & Phone Screen Practice

Prepare for technical phone screens and live coding interviews with company-tagged questions. Practice explaining time/space complexity out loud while tracing Python execution step-by-step.

Company TagsTarget practice questions styled to Google, Meta, Amazon, Microsoft, and Stripe hiring rounds.
Interviewer CriteriaLearn what interviewers listen for when evaluating your code tracing walkthrough.
Detailed SolutionsEvery problem includes step-by-step memory frame breakdowns and hint progressions.

Practice Core Python Tracking Concepts Free

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Pick difficulty and generate a fresh Python challenge.