Hi, I’m Champak Roy — Developer · Writer · Teacher

Where professional performance meets warm mentorship

I help students and professionals master practical skills in Data Structures, Algorithms, Web Development, and Python. My lessons focus on clarity, hands-on projects, and interview-readiness so you not only understand concepts — you can apply them with confidence.

you’ll find lessons, that target jobs , and Internships.

Why This Website Matters

Learn With Champak is built for learners who want more than just theory. Every post is thoughtfully crafted with real-world examples, step-by-step explanations, visual demos, and complete code snippets — all designed to help you understand how programming truly works in practice.

From mastering Data Structures and Algorithms to building Web Development projects and exploring Python applications, you’ll find interactive lessons, hands-on challenges, and career-focused insights that turn your knowledge into job-ready skills.

🔑 Editors

SQL Editor Python Editor Javascript Editor

🔑 Image Processing

Hover Magnify --- Amazon Style Image Lab

🔑 QR Code

QR Code Creator QR Code Reader

Face based Attendance

🔑 Visualizers

Mathematics Visualizer Bubble Sort Visualizer Counting Sort Visualizer Undo Redo Visualizer

🐍 Python Editor

Use the full Programmer’s Picnic Python Editor right here.

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🐍 Javascript Editor

Use the full Programmer’s Picnic Javascript Editor right here.

If the editor doesn’t load, open it in a new tab.

📈 Python Matplotlib Visualizations

Examples, charts and step-by-step explanations.

📊

Bar Charts in Matplotlib

Learn to create and style bar charts.

View Example
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Line Graphs & Trends

Visualize trends using line plots.

Open Tutorial
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Scatter & Bubble Plots

Show relationships between variables.

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