Langchain with Langgraph Programming: LangChain with LangGraph Programming: Build AI Agents, Generative AI Applications, RAG Systems, and Intelligent Workflows with Python

· Aravind Choudhary
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电子书
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页

关于此电子书

LangChain with LangGraph is a comprehensive, hands-on guide for developers, AI engineers, students, and technology enthusiasts who want to build next-generation AI applications powered by Large Language Models (LLMs). This book takes you from the fundamentals of LangChain to advanced AI agent development using LangGraph, enabling you to create intelligent, stateful, and production-ready AI systems. LangGraph extends LangChain with graph-based orchestration, durable execution, memory, checkpoints, and human-in-the-loop capabilities for complex AI workflows.

Starting with the basics of Generative AI and LLMs, you'll learn how to work with prompts, models, output parsers, document loaders, text splitters, embeddings, vector databases, Retrieval-Augmented Generation (RAG), tools, memory, and agents. The book then introduces LangGraph, where you'll discover how to design stateful workflows, implement conditional routing, create multi-agent systems, manage persistence with checkpoints, and build scalable AI applications.

Through practical examples and real-world projects, you'll develop AI-powered chatbots, document question-answering systems, research assistants, customer support agents, code assistants, workflow automation solutions, and multi-agent applications. Every chapter emphasizes hands-on coding using Python and the latest LangChain and LangGraph ecosystem.

Whether you're preparing for AI interviews, developing enterprise AI solutions, or building your own AI startup, this book provides the knowledge and practical skills required to create reliable and production-ready Agentic AI applications.

What You Will Learn

Fundamentals of Generative AI and Large Language Models

Prompt Engineering techniques and best practices

LangChain architecture and core components

Working with Chat Models and Prompt Templates

Output Parsers and Structured Output

Document Loaders and Text Splitters

Embeddings and Vector Databases

Retrieval-Augmented Generation (RAG)

AI Tools and Function Calling

Memory Management in AI Applications

AI Agents with LangChain

LangGraph fundamentals and graph architecture

StateGraph, Nodes, Edges, and State Management

Conditional and Iterative Workflows

Persistence, Checkpoints, and Durable Execution

Human-in-the-Loop Applications

Multi-Agent Systems and Agent Collaboration

Building Production-Ready AI Applications

Integrating OpenAI, Gemini, Mistral, Hugging Face, Ollama, and other LLM providers

Best Practices for Performance, Scalability, and Deployment


LangChain with LangGraph is a comprehensive, hands-on guide for developers, AI engineers, students, and technology enthusiasts who want to build next-generation AI applications powered by Large Language Models (LLMs). This book takes you from the fundamentals of LangChain to advanced AI agent dev...

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作者简介

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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