“`html

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

  Get the AI Edge, Weekly

  The tools, tutorials, and trends that actually pay — no hype.

  Get AI Weekly