App 5: Build a Custom LangChain AI Assistant

What We Will Build:

How an AI-Powered App Works:

You First Chatbot - Saying “Hello”:

Repeating the Conversation - Building a Chat Loop:

Prepping the Brain - Loading the AI API Key and Setup:

Using Langchain to Get AI Replies:

Giving Einstein a Personality - System Prompt:

Keeping the Conversation Going:

Storing Chat History:

Using LangChain:

Building the Gradio Web Interface:

Getting AI Responses:

Polishing the App: