Langgraph Programming: LangGraph Programming: Build AI Agents, Workflows, RAG Applications, and Agentic AI with Python

· Aravind Choudhary
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Unlock the power of next-generation AI application development with LangGraph, the cutting-edge framework for building intelligent, stateful, and production-ready AI agents. Designed for developers, students, AI engineers, and technology enthusiasts, this book provides a practical, hands-on guide to mastering LangGraph from the ground up.

Unlike traditional LLM applications, LangGraph enables developers to create AI systems that can reason across multiple steps, maintain conversation state, use memory, execute conditional workflows, collaborate through multiple agents, and interact with humans during execution. Built on top of the LangChain ecosystem, LangGraph provides a graph-based orchestration framework for developing reliable and scalable AI applications.

Inside this book, you will learn:


Introduction to LangGraph and Agentic AI

Understanding Graph-Based AI Workflows

Installing and Configuring LangGraph

State Management and Shared Memory

Nodes, Edges, START, and END

Building Sequential, Conditional, and Cyclic Workflows

Parallel Execution and Dynamic Routing

Reducers and State Updates

Persistence and Checkpointing

Human-in-the-Loop Workflows

Streaming Responses and Event Handling

Multi-Agent Architectures

Tool Calling and External API Integration

Retrieval-Augmented Generation (RAG) with LangGraph

Long-Term and Short-Term Memory

Error Handling and Debugging

LangSmith Integration for Monitoring

Building AI Assistants and Autonomous Agents

End-to-End Real-World Projects

Best Practices for Production Deployment

Every chapter includes clear explanations, architecture diagrams, source code examples, practical exercises, interview questions, and real-world implementation scenarios. Whether you are creating AI chatbots, enterprise assistants, autonomous workflows, or intelligent automation systems, this book equips you with the knowledge and skills needed to build reliable AI agents.

By the end of this book, you will be able to design, develop, and deploy sophisticated AI agent systems capable of reasoning, planning, remembering context, using tools, collaborating with other agents, and solving complex real-world problems using LangGraph.

Whether you are a beginner entering the world of Generative AI or an experienced developer looking to build advanced AI agent applications, LangGraph is your complete guide to mastering modern AI workflow orchestration.

Unlock the power of next-generation AI application development with LangGraph, the cutting-edge framework for building intelligent, stateful, and production-ready AI agents. Designed for developers, students, AI engineers, and technology enthusiasts, this book provides a practical, hands-on guide...

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Arvind Choudhary is an experienced Software Developer, Corporate Trainer, and Technology Mentor from India with around 12 years of professional experience in the IT industry. He has worked extensively for 8 years as a developer and 4 years as a corporate trainer, helping students, professionals, and organizations build strong technical skills in modern software technologies.

He specializes in Java Full Stack Development, Python Full Stack Development, MERN Stack, Flutter, Android Development, Artificial Intelligence (AI), Machine Learning (ML), Generative AI, Agentic AI, AI Agents, and Android Firmware Development.

Throughout his career, Arvind Choudhary has trained and mentored numerous students and working professionals through live projects, practical implementation, industry-focused training, and real-world application development. His teaching approach focuses on simplifying complex technical concepts into easy-to-understand practical learning experiences.

As an author and trainer, he is passionate about sharing knowledge in emerging technologies including Generative AI, AI Automation, Prompt Engineering, Large Language Models (LLMs), and modern software engineering practices. His goal is to help learners become industry-ready developers and technology innovators.

Arvind Choudhary continues to contribute to the technology community through technical training, content creation, software development, and educational initiatives focused on next-generation technologies.


Arvind Choudhary is an experienced Software Developer, Corporate Trainer, and Technology Mentor from India with around 12 years of professional experience in the IT industry. He has worked extensively for 8 years as a developer and 4 years as a corporate trainer, helping students, professionals, ...

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