Lecture 19: LangChain Setup & OpenAI API Integration | Generative AI Hindi

In this comprehensive lecture, we dive deep into the practical setup and integration of LangChain with OpenAI API. Perfect for beginners and intermediate developers looking to master Gen AI development!

📚 TOPICS COVERED:
✅ LangChain Installation & Configuration
✅ OpenAI API Setup & Key Generation
✅ Environment Variables Management (.env files)
✅ Model Initialization (GPT models)
✅ Message Types: System, Human, and AI Messages
✅ Prompt Engineering Fundamentals
✅ Building Intelligent Chatbot Systems
✅ API Response Handling & Token Management
✅ Best Practices for Development

🔑 KEY CONCEPTS:
• API authentication and security
• Setting up virtual environments
• Working with environment variables
• Model initialization and configuration
• Understanding token usage
• Crafting effective system prompts
• Building context-aware conversations

💻 WHAT YOU'LL LEARN:
How to set up LangChain in your development environment
Complete OpenAI API integration step-by-step
Creating intelligent chatbots with system prompts
Managing API keys securely
Optimizing token usage
Implementing prompt engineering techniques

📁 RESOURCES:
• LangChain Documentation: https://docs.langchain.com
• OpenAI API Docs: https://platform.openai.com/docs
• Python Environment Setup Guide
• Code examples and implementation templates

🎯 PREREQUISITES:
Basic Python knowledge
VS Code or any text editor
Python 3.11+
OpenAI API account (free tier available)

⏱️ LECTURE DURATION: 56 minutes 49 seconds

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⚡ PERFECT FOR:
Aspiring AI/ML developers
Python programmers
Generative AI enthusiasts
Backend developers
Anyone wanting to build AI-powered applications

🏆 By the end of this lecture, you'll be able to:
✨ Build production-ready AI applications
✨ Integrate multiple AI models
✨ Create intelligent chatbots
✨ Manage API resources effectively
✨ Implement best practices in AI development

📌 TAGS:
#GenerativeAI #LangChain #OpenAI #Python #APIIntegration #MachineLearning #AITutorial #CodingTutorial #Hindi #LLM #ChatGPT #PromptEngineering