```video-embed https://www.youtube.com/embed/t5hyTEjhCsQ?si=LSU1PqY18qAO9QEu ``` Langchain is an Artificial Intelligence (AI) framework that simplifies coding when creating apps that implement external data sources and Large Language Models(LLMs). You can use the framework to create personal assistants, chatbots, Q&A applications, and more. Langchain ships with different libraries that allow you to interact with various data sources like PDFs, spreadsheets, and databases (For instance, Chroma, P......