Data Structures & Algo: Python

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About this app

Crack your next coding interview by mastering Data Structures & Algorithms the practical way, with Python as your weapon.

DSA in Python turns abstract theory into runnable code. Read a concept, run it instantly, then prove you have got it by solving real interview problems, all in one app.

📚 What you will master
Arrays, strings, hashing and two-pointer patterns
Linked lists, stacks and queues
Trees, binary search trees, heaps and tries
Graphs with BFS, DFS and shortest paths
Recursion, backtracking and divide and conquer
Sorting, searching, greedy and dynamic programming
Big-O time and space complexity for every approach

💻 Learn by doing
Each subtopic gives you clear theory, guided practice and a quick summary, with syntax-highlighted Python you can run on the spot. Browse a clean Subject to Topic to Subtopic map, search fast and bookmark anything.

⚙️ Built-in Python runner
Write and execute code in the integrated editor, tackle coding problems with hidden test cases and reference solutions, and let the AI verify your output. The runner also supports Java, C++, C, Go, JavaScript, Rust, Kotlin, Dart and Swift.

🧠 Quizzes and mock tests
Sharpen recall with multiple-choice quizzes that climb from Easy to Medium to Hard, each with a clear explanation. Take timed mock tests blending theory, MCQs and coding, then read result analytics with targeted improvement tips.

🤖 Your AI tutor
Smart Mentor answers questions, explains lessons in plain English, runs a mock-interview mode and even reads a photo of your code or a diagram. Get an AI-built 7-day study plan plus a daily revision card.

📊 Track your progress
Watch scores over time, study time and topics completed, spot weak areas, hit daily goals and keep your streak alive. Climb global and per-subject leaderboards.

🌐 Built for real life
Works offline, ships light and dark themes, and offers a multi-language interface (English, Hindi, Kannada, Tamil and Telugu) that protects code and technical terms during translation.

✨ Free vs Pro
Free includes starter topics, daily practice and limited AI help. Pro unlocks all topics, every difficulty, unlimited practice, full quiz history, custom topic tests and higher AI limits. Choose a 6-month prepaid plan or an auto-renewing monthly plan, both with a free trial.

Start solving today and walk into your interview ready.

Python and other language names and logos are trademarks of their respective owners. This app is independent and not affiliated with or endorsed by them.

What’s new

🎯 Daily Knowledge Check — A quick 10-question check opens once a day to test.

🧩 Knowledge Check Corner — New home shortcuts for Quick Test, Practice Quiz & Daily Revision.

✅ Answers & Explanations — Clear explanation right after you pick an option in quizzes.

🔓 All Quiz Levels Open — Explore every difficulty level and start any one you like.

📰 Smarter News & Updates — Home shows the 5 most-read stories.