Introduction
Build your first LLM-powered app with Python and Streamlit
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GitHub Codespaces
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1. Hands-On: Building the Chat App Foundation
Why use Streamlit to build AI-powered web apps?
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Build your first Streamlit app
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Basic Streamlit commands for web development
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Build chat features: Add input and display messages
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2. LLM Foundations
What are large language models (LLMs)?
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What is retrieval-augmented generation (RAG)?
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Guidelines for working with AI and APIs
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How to connect to OpenAI API
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Send user prompts to an LLM and display the response
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Save and display chat history in your application
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3. Building Your Knowledge Base
How the document Q&A chatbot works
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Introducing Explore California
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Prepare text data for embedding
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Generate embeddings from text for searchability
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Create a Faiss vector store for fast retrieval
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Query the vector database to find relevant information
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Construct effective RAG prompts for better LLM answers
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Use the RAG query function to combine search and chat
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4. Creating the Chatbot Interface
Create a chat UI in Streamlit for LLM interactions
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Integrate the RAG pipeline into your Streamlit app
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Handle errors gracefully with your chatbot
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Provide clear and helpful feedback to users
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Test your chatbot to ensure it works smoothly
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Maintain and improve your chatbot
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Deploy your chatbot to Streamlit Community Cloud for free
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