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Build Your First Custom AI Chatbot: A Step-by-Step LangChain Tutorial

1. Setting Up Your Development Environment

• Install Python 3.9+ and create a dedicated virtual environment
• Install required libraries: langchain, openai, python-dotenv
• Securely store your OpenAI API key using a .env file and
  

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  Written byTheo Grant

  Theo Grant explores real-world AI applications, automation workflows, and hands-on tutorials at AI In Action Hub. Theo breaks down complex AI concepts into practical guides that help professionals and creators leverage AI in their daily work.