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Data Science Tutorials

Learn data science and AI with step-by-step tutorials on the DataCamp blog. Master Python, SQL, machine learning, and build your own AI agents.
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Evaluating AI Agents: The Metrics That Catch What LLM Evals Miss

Evaluate AI agents that use tools. Learn task completion, tool calling accuracy, refusal calibration, and injection testing, with code and a CI gate you can reuse.
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Tim Lu

September 28, 2026

Claude Opus 5.5 API Tutorial: Build an AI Incident Investigator

Follow this Claude Opus 5.5 API tutorial to build a Python incident investigator with vision, programmatic tool calling, counterfactual replay, task budgets, structured outputs, and cost tracking.
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Khalid Abdelaty

September 28, 2026

Qwen Image 2.1 Tutorial: Build an Image Editor and GIF Creator

Learn to edit images with Qwen Image 2.1 on a Colab A100, guide changes with text or drawings, and export selected results as a GIF.
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Aashi Dutt

September 28, 2026

Gemini 3.8 Live Tutorial: How to Build a Full-Duplex Conversational Agent with Python

Learn how to stream mic audio, handle interruptions, and call tools asynchronously in Python, then compare Gemini 3.8 Live with its Extended Thinking variant.
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François Aubry

September 25, 2026

What is Graph Engineering? A Hands-On Guide to Multi-Agent Orchestration With LangGraph

Nodes do the work, edges decide what runs next, and shared state carries information between them. This graph engineering tutorial covers when a multi-agent graph actually beats a single loop, and walks through building a researcher, writer, and reviewer pipeline in LangGraph with a conditional retry edge.
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Josep Ferrer

September 24, 2026

Jev Tutorial: Building a Ticket Router With TypeSafe AI's System One Model

Learn how to set up TypeSafe AI's Python SDK, ask Choice, Score, and Noul questions in a single call, build a support ticket router that keeps the routing policy in your own code, and find out where Jev breaks before you ship it.
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Tom Farnschläder

September 24, 2026

Polars read_csv(): Load CSV Data Fast in Python

Discover how Polars read_csv() helps you load CSV data efficiently in Python, including handling large datasets, defining schemas, and optimizing performance.
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Allan Ouko

September 22, 2026

DeepSeek V4.1 Flash API Tutorial: Build a Visual Bug-Fixing Agent

Build a Python visual repair agent with DeepSeek V4.1 Flash, the Responses API, Playwright screenshots, apply_patch, pytest, context caching, and cost tracking.
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Khalid Abdelaty

September 22, 2026

OpenAI Agents API Tutorial: Build an Agent That Writes and Runs Code in the Cloud

Build and run a cloud agent with the OpenAI Agents API that can analyze files, execute code, verify results, and return finished artifacts from a single request.
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Abid Ali Awan

September 22, 2026

VBA InStr Function: How to Search for Text in VBA

Learn how to use the VBA InStr function to find text inside strings, including syntax, examples, case sensitivity, and common mistakes.
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Allan Ouko

September 21, 2026